Hand Crank Manual Operated Portable Air Raid Alarm/SirenThis hand operated lightweight siren produces a loud adjustable sound of 110dB ideal for getting people attention on camps, schools, while
Hand Crank Manual Operated Portable Air Raid Alarm/Siren
This hand operated lightweight siren produces a loud adjustable sound of 110dB ideal for getting people attention on camps, schools, while cheering your favorite team in sport events or any place that you want to produce an effective warning sound and electricity is not available.
People respond to the sound of a siren. Now you can get someone's attention in a hurry with this hand crank siren. It may look small but don't be fooled - this powerful tool emits a 110dB signal that is audible up to 1/4 mile away, making it a great choice for schools, golf courses or calling in the cowboys for chow time. Manual operation; doesn't require electricity to operate.
100P -type hand-cranked siren for mountains, building security , forest protection system, flood control and other aspects of the introduction of mobile portable hand alarms . Products are also widely used in civil defense education, legal advocacy, disaster exercises ! Thus bid farewell to the villagers beat iron pots advertised danger of history. Building the event of danger , intelligent systems once a fault , then crises , and with hand-cranked siren can also solve the problem, issued a 110 db alarm over dangerous in the hands of security personnel , the risk of timely notification occupants the advent of rapid withdrawal ( the building with the recommendations of a 1000 square meters each ) . Senfang flood because communication is interrupted , you can not find the team , the team can not find you , the danger has spread alarm hand can also solve such problems.
Type No : ZXSY-100P
Sound pressure level :110dB (A) (1 meter )
Audio Frequency:55020Hz (Depending on the hand speed)
Timber Quality : PlasticABS
Net Weight:0.6kg
Effective range:Diameter500m
Package Size :186×186×170mm