1. Voltage: DC: 9V (6F22 Battery) or AC: 110-220V
2. Quiescent current: <10uA
3. Alarm current: ≤10 mA
4. Battery life: about 1 year
5. Alarm indication: red LED flashes
6. SPL: ≥85dB/m
7. Working temperature: -10~+50℃
8. Working humidity: ≤ 95% RH
9. Alarm type: sound and light alarm
10. Size: 133mmx46mm
11. Installation method: wall-mounted
12: Detection area:
When the installation height is 6-12 meters, 40 square meters
Installation height below 6 meters, 20 square meters