Technical data
Style | protable |
Sound pressure level | 110±2 dB(A) @ 1m |
Audio frequency | 550±20 Hz (depending on the hand-shaking speed) |
Material | aluminum alloy (in addition to the stand frame) |
Net weight | 1.5 kg |
Effective range | 1000 meters in diameter |
Packing size | 186*186*170 mm |
Compact structure, light weight, strong voice, low frequency, and can be fixed in a certain position. It is widely used in factories, flood control and flood control, schools, ships, mines, gas stations, hotels, hotels, mountain torrents, and other enterprises and institutions for emergency warning.
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