Features:

LK-100B Siren
Weight: 1.8kg
Sound pressure decibels: 110 dB
Transmission distance: 1km
Material: aluminum alloy
Features: Hand-cranked alarm LK-100B-type power supply, can be in the absence of power to provide a place to provide an effective alarm. Only through the manual hand clockwise shaking the handle, the speed to the primary (50-80 r / min) can achieve the desired alarm effect, the sound of sharp, shocking, strong penetration. The alarm sound size depends on the speed at which the handle is shaking. The new hand alarm sets the shutter shutter mechanism in the tone window, which quickly closes the sound window, blocks the sound, and generates a different signal. Hand alarm device small size, light weight, easy to carry, easy to install. Do not need any tools. Only 0.15 square face and people standing on the place can be normal operation, and liquidity is very strong.
Applications: Products are widely used in factories, schools, troops, floods, natural disasters, open air barracks, air defense, mountain rescue and coastal whistle, forest fire prevention, flood control flood, fire, prison, reservoir, ship, Ranch, gas stations, airports, forest, hotels, hotels and other emergencies. Can effectively provide timely warning, reduce the loss of people's property and casualties.