On eBay Now...Handheld Air Raid Siren 110DB Loud Manual Hand Crank Emergency Alarm, Portable H For Sale
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Handheld Air Raid Siren 110DB Loud Manual Hand Crank Emergency Alarm, Portable H:
$36.72
- Aluminium Alloy Material: Made out of durable aluminium alloy.The handle and lever folds for easy carrying on the included waist pack.
- Specifications: dB(A)1m 110±2. Rate HZ 550±20（Depending on the hand speed. Transmission distance Φ 1000M.
- Easy To Use: By manually rotating the handle, the gearbox of the transmission step by step acceleration to achieve the purpose of sound, the sound depends on the rotation speed of the handle.
- Wide Application: Can be used for factories, families, schools, military units, flood control, disaster relief, forest fire fighting munitions, public and industrial occasions
- Portable: No power support, compact structure, easy to carry, a wide range of applications, such as the advantages of long life.
Product description
MYFULLY Handheld Air Raid Siren | Hand Loud Crank Operated 110DB Air Raid Siren
Product Details Aluminium Alloy MaterialOur handheld air raid siren is made of aluminum alloy material, coated with anti-rust paint, more durable and wear-resistant.
Sound Adjuster LeverThis lever allows you to adjust the intensity of the sound.
Easy to Use- No power support
- By manually rotating the handle, the gearbox of the transmission step by step acceleration to achieve the purpose of sound.
The handle and lever folds for easy carrying on the included waist pack.
Specifications Material Aluminium alloy Color Green Sound Output 110±2(dB) Audio Frequency 550±20(HZ) Transmission Distance 1000(Φm) Dimensions Length 115mm/4.5" Width 202mm/8" Height 230mm/9.1" Operation Steps1. Grab the grabbing handle in left hand and open the air door (adjust the air door according to the direction of motion to control volume of the sound).
2. Turn the rocking handle clockwise with right hand till you hear the sound.
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