- Super-bright LED diodes.
- Sound signal source – piezoelectric transducer.
- Dimensions: 85 x 123 x 28 mm
- Two trigger inputs.
- Selection of sound signals – 2 melodies.
- ABS + PC (polycarbonate) cover.
- Anti-sabotage protection against cover opening and removing.
- Volume: 109 dB/m
- Power supply nominal voltage: 13,8 VDC
- Max. power consumption: 250 mA
- Work temperature range: -35 °C +60 °C
- Light color – red, orange or blue.
M21 – acoustic indoor siren
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