Hand Crank Loud Hand Crank Manual Operated Portable ABS Alarm/Siren (Air Raid)

Price: $67.86
(as of Feb 16, 2023 01:01:34 UTC – Details)

Features:
Hand-operated sirens are lightweight, easy to carry, detachable, and sound an alarm when the handle is held. The hand-cranked alarm plays an active role. When the power and traffic are blocked, other mobile alarms cannot enter the alarm area, and the portable and convenient hand-crank alarm becomes a very convenient and practical alarm. Widely used in factories, schools, military units, flood prevention, natural disasters, open-air military camps, air defense, mountain rescue and seaside anti-ship, forest fire prevention, flood control, fire protection, prisons, reservoirs, ships, mines, plains, pastures, gas stations , airports, forest farms, hotels, hotels and other emergency venues. The essential items for emergencies in any place can effectively provide timely warnings and reduce people’s property losses and casualties. The plastic case makes the alarm lighter and more convenient to carry.

Specifications:
Condition: Brand New
Material: ABS
Color: Red + Black
Package Weight: Approx. 705 g/ 24.9 oz
Size: Approx. 18.6 x 18.6 x 17.0 cm / 7.3 x 7.3 x 6.7 in
Output frequency: 500±20
Sound level: 110±2 (Class A) at a radius of 1 meter

Package List:
1 * Handheld Alarm
1 * Storage Bag

Hand-cranked: The hand-operated alarm is a hand-operated sounder that does not require power support. The purpose is to eliminate the need for power support. Power is provided by shaking the handle to allow the alarm to sound an alarm. The size of the sound depends on the hand-crank speed.
The utility model comprises: a handle, a gear speed increasing mechanism, a clutch slider, a fixed wheel, a ring wheel, a sound window cover, a gear box body and a box frame, wherein the handle is connected with a drive shaft of the gear speed increasing mechanism, and the gear speed increasing mechanism outputs The shaft is connected to the clutch slider by a pin.
Convenience: Manual alarm. It will make a loud sound. It does not require any external power supply. The effective range is one mile. Ideal for getting people’s attention, or reminding workers at lunchtime, it’s also suitable for many other uses.
Scope of application: Widely used in factories, schools, military units, natural disasters, forest fire prevention, flood control and flood control, fire protection, reservoirs, airports, hotels and other emergency places. It can effectively provide timely warnings in the event and reduce people’s property losses and casualties.
Satisfaction Guarantee: We want to make sure that you are completely satisfied with the products you have purchased. If you have any questions, questions or concerns. Please contact us so we can resolve the issue as soon as possible.