Item description: hand alarm
Model: LK-100B
Style: portable
Sound pressure level: 110 ± 2 dB (A) @ 1m
Audio frequency: 550V ± 20 Hz (depending on the hand-shaking speed)
Material: aluminum alloy
Net weight: 1.5 kg
Effective range: 1000 meters in diameter
Packing size:186*186*170 mm
The structure of LK -100B is compact.It is with lightweight, strong voice and low frequency and can be bidirectional fixed in a certain position.It is widely used in factories, schools, flood control,disaster prevention,ships,mines,gas stations,hotels,special projects in mountain torrent disaster and emergency early warning of enterprises and institutions.
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