1) Reliability: 50,000 hours
2) Sensitivity height: 6 cm
3) Sound signal switch or light signal switch is available
4) Voltage: (110-220) ±10%
Frequency: 50/60HZ
Running time: 180 hours
7) Power waste: 1W
8) Environmental temperature: -10°C - +40°C
9) Size: 280mm (height) x 250mm (width) x 115mm ( thickness )
10) Weight: 3.4kg
11) Methods of alarm: Audio and (weak) video.