Zigbee Graffiti Wireless Smart Smoke Monitoring Alarm

1. Voltage: DC3V
2. Working temperature: -10 degrees to 55 degrees
3. Working humidity: 10%-90%
4. Communication protocol: Zigbee
5. Material: PC
6. Support system: iOS8.0/Android4.0 and above
7. Transmission distance: 10-30m
8. Alarm concentration: 8%LEL
9. Concentration error: about 3% LEL
10. Alarm mode: sound and light alarm
11. Alarm sound pressure: about 70db
12. Installation method: wall/ceiling
13. When the smoke concentration reaches the alarm value, the alarm will send out an audible and visual alarm signal.
14. Battery life: more than one year, 20 times a day
15. Can be controlled by mobile phone, remote alarm, low power reminder.

Note: Ships without battery