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No pea, three dimensions, 150 dB stated

WANYIG twin-tube stainless steel whistle, no pea, 150 dB stated, two supplied

The highest published decibel figure of the seven on this shelf, at up to 150 dB, on a stainless steel whistle that states it has no built-in pea and publishes all three of its dimensions.

WANYIG stainless steel signal whistle with a key ring attached

WANYIG twin-tube stainless steel whistle, no pea, 150 dB stated, two supplied

The highest published decibel figure of the seven on this shelf, at up to 150 dB, on a stainless steel whistle that states it has no built-in pea and publishes all three of its dimensions.

Pealess or pea design
Pealess — stated; the maker writes that there is no built-in pea, and gives hygiene in dust or dirty water as its reason
Material
Stainless steel — stated, described as strong and durable
Dimensions
5.7 × 1.8 × 0.9 cm — stated
Stated weight
Not published on the listing — no gramme figure and no adjective in its place
Published decibel figure
Up to 150 dB — stated, from what the maker calls twin tubes
Distance quoted at
Not published on the listing — the maker says the sound carries from a long way off, without giving a figure or a method
Attachment type
Key ring — stated in the title; the maker also describes it hung from a rucksack, worn, or knotted on
Amazon reference
B07RWZ6PSF (same reference on 5 Amazon marketplaces)
EAN
0782337026495
  • States that there is no built-in pea, which only one other listing in this hub does in plain words
  • Publishes all three dimensions, where the other two size-publishing listings here give one or two
  • No weight published, and no adjective offered in its place either

Best for: Someone who wants the pea question settled on the page and the three dimensions known before it goes under a sternum strap.

≈ 11 €
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Specifications

Pealess or pea design
Pealess — stated; the maker writes that there is no built-in pea, and gives hygiene in dust or dirty water as its reason
Material
Stainless steel — stated, described as strong and durable
Dimensions
5.7 × 1.8 × 0.9 cm — stated
Stated weight
Not published on the listing — no gramme figure and no adjective in its place
Published decibel figure
Up to 150 dB — stated, from what the maker calls twin tubes
Distance quoted at
Not published on the listing — the maker says the sound carries from a long way off, without giving a figure or a method
Attachment type
Key ring — stated in the title; the maker also describes it hung from a rucksack, worn, or knotted on
Amazon reference
B07RWZ6PSF (same reference on 5 Amazon marketplaces)
EAN
0782337026495

What this listing puts on record

Two stainless steel whistles of 5.7 × 1.8 × 0.9 cm, with what the maker calls twin tubes delivering up to 150 decibels, with no built-in pea, and a key ring named in the title.

One hundred and fifty, and nothing to compare it against

Up to 150 dB — stated, the highest published figure of the seven on this shelf and the only one above 120. The maker attributes it to a twin-tube construction and says the sound carries from a long way off.

Then the same blank as everywhere else on this shelf: no distance. Sound falls away as it travels, so a decibel reading only means something with a measuring point attached, and none of the six listings here that print a number gives one. A 150 read close to the mouthpiece and a 120 read further out are not thirty decibels apart, or twenty per cent apart, or any figure at all — they are two readings of different things.

So the 150 sits at the top of the column and still cannot be called louder than the 120s beneath it. It is a bigger claim, not a proven margin.

No pea, and the reason the maker gives

No built-in pea — stated. This is one of only two listings in this hub that answers the family’s central question in plain words, and the only one of the two that gives a reason: with no pea there is nothing for bacteria to form and multiply on, and the whistle can be used in dusty conditions or in dirty water.

That is the manufacturer’s reasoning, quoted as such. The mechanical part of it is simpler — there is no loose ball to swell, stick or seize, because there is no loose ball.

Three dimensions, no weight

5.7 × 1.8 × 0.9 cm — a length, a width and a depth, which is more than either of the other two size-publishing listings here manages. It is enough to know whether it will sit flat under a sternum strap or stand proud of it.

No weight, though, and this listing does not even reach for the adjective the rest of the shelf uses. One whistle in this hub publishes a gramme figure, and it is not this one.

The maker adds that it is hung on a rucksack or a key chain, worn, or knotted on — three descriptions of carry. Beyond the key ring named in the title, nothing is itemised as being in the box.

Availability

Selling at about 11 € on the German Amazon store when this page was checked.

It also sells on the British Amazon store in the local currency, which the range above does not cover — that range counts euro stores and nothing else.

The French, Italian and Spanish Amazon price sits more than 1.6× above the cheapest store. That gap usually means a reshipper rather than a local seller, so those listings are kept out of the range above.

Nothing came back from the American Amazon store, so the buy link there opens a local search instead of a page that is not there.

Every figure in this section is what Keepa returned on the day this page was last updated. Prices and offers change without notice.

Prices quoted in this text were read on 6 September 2026. The live price is at the top of the page.

More signal whistles

  • ACME Tornado Slimline No. 636 whistle in fluorescent orange on a key ring

    ACME Tornado Slimline No. 636, orange, pealess, three air outlets

    The one listing on this shelf that states outright it has no ball inside, and the one that publishes no decibel figure at all — it gives a frequency, up to 4000 Hz, and leaves the loudness claim as words.

    Pealess or pea design
    Pealess — stated; the maker writes that this model has no ball, unlike a conventional trill whistle
    Material
    Not published on the listing — the body is described as small, thin, light and fluorescent orange, with no polymer or metal named
    Dimensions
    Not published on the listing
    Stated weight
    Not published on the listing — described as particularly light, with no gramme figure
    Published decibel figure
    Not published on the listing — the maker publishes a frequency instead, tones of up to 4000 Hz, and calls the whistle one of the loudest in the world
    Distance quoted at
    Not published on the listing — the maker states a carry still audible at kilometres, which is a claim about range and not a distance attached to a measurement
    Attachment type
    Key ring — stated; the maker describes it fitted to trekking rucksacks and buoyancy aids
    Amazon reference
    B000SE9NMY (same reference on 6 Amazon marketplaces)
    EAN
    0717668126361
    • One of only two listings in this hub that state in plain words whether there is a ball inside, and it states there is none
    • Publishes a frequency, up to 4000 Hz, which no other listing on this shelf gives at all
    • No decibel figure at all, on the one specification the other six listings lead with

    Best for: Someone who wants the pealess question answered on the page rather than inferred, and who is content with a frequency in place of a loudness number.

    ≈ $8 / £5 / 8 €
    Check price on Amazon
  • Bramble ten-pack of signal whistles with cords laid out together

    Bramble ten whistles with ten cords, over 100 dB stated

    Ten whistles and ten cords in one box, stated at over 100 decibels — the lowest published figure on this shelf — with no material, no size and no weight given anywhere on the page.

    Pealess or pea design
    Not published on the listing in those words — the maker states there are no moving parts and nothing to obstruct the whistle, and never uses the word pea
    Material
    Not published on the listing — no polymer, metal or finish is named in the title or the five bullets
    Dimensions
    Not published on the listing
    Stated weight
    Not published on the listing
    Published decibel figure
    Over 100 dB — stated, written as a floor
    Distance quoted at
    Not published on the listing — no measuring distance, method or standard is given
    Attachment type
    One cord per whistle — stated, ten whistles and ten cords in the set
    Amazon reference
    B072BV8TXJ (same reference on 6 Amazon marketplaces)
    EAN
    0714983185134
    • Ten whistles and ten cords in one purchase, where every other listing in this hub sells one or two
    • The maker states the whistles are fully waterproof and can float in seawater
    • No material named at all, which is one of only two listings in this hub to leave that blank

    Best for: Kitting out a group from one box, where the count and the cords matter more than a specification sheet.

    ≈ 10 €
    Check price on Amazon
  • DONGKER stainless steel dog and training whistle on a neck lanyard

    DONGKER CNC-formed stainless steel dog and training whistle, 120 dB stated

    Titled and written as a dog and training whistle before anything else, in CNC-formed stainless steel and stated at up to 120 dB — the only listing here that says how its body was made.

    Pealess or pea design
    Not published on the listing — nothing in the title or the five bullets says whether a ball sits inside
    Material
    Stainless steel — stated, formed by what the maker calls a precise CNC one-piece process, with high hardness and resistance to cold, heat and corrosion
    Dimensions
    Not published on the listing — described as a small whistle, with no figures
    Stated weight
    Not published on the listing — described as light, with no gramme figure
    Published decibel figure
    Up to 120 dB — stated, written as a ceiling
    Distance quoted at
    Not published on the listing — no measuring distance, method or standard is given; the title calls the whistle high-frequency without publishing a hertz figure
    Attachment type
    Rucksack, key ring or neck lanyard — stated as places to hang it; the listing does not say which fittings are supplied
    Amazon reference
    B0BY4SWPGS (same reference on 5 Amazon marketplaces)
    EAN
    0774827526592
    • The only listing in this hub that says how the body was formed, as a CNC one-piece process
    • Stainless steel with cold, heat and corrosion resistance all stated together
    • Written and titled as a dog and training whistle first, which is not what this shelf is read on

    Best for: A whistle bought mainly for training an animal, where the steel and the forming matter more than the size.

    ≈ £10 / 13 €
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Others worth keeping in the pack

  • CADAC 445 g screw-on gas canister for butane-propane

    CADAC 445 g screw-on butane-propane canister, 890 ml

    A 445 g screw-on canister sold against one named appliance, the Safari Chef HP, without ever printing the thread standard that would let a buyer check it against anything else.

    Valve type
    A screw-on fitting with a safety valve — stated; the title calls it a screw cartridge and a bullet states it screws directly under the CADAC Safari Chef HP. No thread size and no reference to EN 417 appears anywhere
    Net gas weight
    445 g — stated as the capacity, given together with 890 ml
    Stated gas mix
    A butane-propane mixture — stated, with no proportion given for either gas
    Canister diameter
    Not published on the listing
    Canister height
    Not published on the listing — 890 ml is a volume, and no external dimension is given
    Empty weight
    Not published on the listing
    Resealable valve
    Not published on the listing — a safety valve is stated, and what it does when the canister is unscrewed is never described
    Amazon reference
    B00J4M60PY (same reference on 5 Amazon marketplaces)
    EAN
    6001773044516
    • The one canister here sold against a named appliance: it is stated to screw directly under the Safari Chef HP
    • Publishes a mass and a volume together, 445 g and 890 ml
    • No thread standard: neither EN 417 nor a thread size appears, so only the named appliance can be checked against

    Best for: Owners of the appliance the maker names, buying the canister the maker points them at.

    ≈ 13 €
    Check price on Amazon
  • Camplora set of four 227 g butane cartridges with MSF-1a bayonet valves

    Camplora four 227 g butane cartridges with an MSF-1a bayonet valve

    The only cartridge here that prints a gross weight beside its net fill, and it identifies the bayonet fitting three separate ways so that the one thing that decides compatibility cannot be missed.

    Valve type
    MSF-1a bayonet valve meeting EN 417 — stated; the maker gives the alternative designations MSF1a valve and bayonet valve, and adds that the cartridges suit appliances to EN 521 run on a 227 g bayonet valve cartridge
    Net gas weight
    227 g of butane — stated, and labelled by the maker as the net fill weight
    Stated gas mix
    Butane — stated, with no second gas named
    Canister diameter
    Not published on the listing
    Canister height
    Not published on the listing
    Empty weight
    Not published on the listing — a gross weight of 330 g per cartridge is stated beside the 227 g net fill, and the shell on its own is never weighed
    Resealable valve
    Yes — the maker states a self-sealing safety valve that lets the cartridge be taken off while still full, so one cartridge can serve several appliances
    Amazon reference
    B08BCBYYT3 (same reference on 3 Amazon marketplaces)
    EAN
    4255682800165
    • Names the MSF-1a bayonet valve, the EN 417 standard and the EN 521 appliance standard — three identifications where most listings give none
    • Prints 227 g net and 330 g gross together, which nothing else in this hub does
    • The same bullet spells the fitting MSF-1a and MFS-1a

    Best for: Tabletop stoves whose own listing names the MSF-1a bayonet cartridge, restocked four at a time.

    ≈ 14 €
    Check price on Amazon
  • EVOCAMP set of four 450 g screw-on gas canisters with 7/16 in threads

    EVOCAMP four 450 g screw-on canisters, 80 per cent butane and 20 per cent propane

    The largest fill in this hub, and the only canister here that publishes both a diameter and a height — the pair that decides whether it stands under your appliance at all.

    Valve type
    A 7/16 in screw thread with an automatic safety shut-off — stated, and called a Euro thread in the title. EN 417 is not named anywhere on the listing
    Net gas weight
    450 g — stated as the net weight, with 809 ml given beside it
    Stated gas mix
    80 per cent butane and 20 per cent propane — stated, and described by the maker as a universal mix for warm and cold conditions
    Canister diameter
    About 11.3 cm — stated, and repeated in a second bullet with an instruction to check the holder of your appliance before buying
    Canister height
    14 cm — stated
    Empty weight
    Not published on the listing
    Resealable valve
    Yes — the maker states the outlet valve closes as the canister is unscrewed so that no further gas escapes, and that one canister can therefore serve several appliances
    Amazon reference
    B0C7GSHLPW (same reference on 4 Amazon marketplaces)
    EAN
    4260451869045
    • A diameter and a height, both published — no other canister in this hub gives the pair
    • The mix is written as proportions, 80 per cent butane to 20 per cent propane, not as a list of gases
    • 11.3 cm across is wide, and the maker itself asks you to check the appliance holder before ordering

    Best for: A screw-thread appliance with room for a wide canister, where a long burn matters more than pack size.

    ≈ 28 €
    Check price on Amazon

All signal whistles