Item description: hand alarm
Model: LK-100A
Style: portable
Sound pressure level: 110 ± 2 dB (A) @1m
Audio frequency: 550 ± 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-100A is compact. It can be folded with light weight, strong voice and low frequency. It can be fixed on the flat ground and widely used in factories,schools,flood control, fire fighting, ships, mines, gas stations, hotels, special projects in mountain torrent disaster and emergency early warning of enterprises and institutions.
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