Performance characteristics:
1. When smoke concentration over the alarm set value, it warns
2. Auto-reset / Power reset
3. Infrared photoelectric sensor
4. Metal shield, anti-electromagnetic interference
5. Adaptable environment
6. Dust, pest control, anti-white interference design

Technical parameters:
1. Working Voltage: AC220V or DC12V
2. Quiescent current: less than 3mA
3. Alarm current: less than 10mA
4. Sensitivity Level: 1
5. Monitoring area: 20 square meters
6. Alarm mode: network output / LED alarm instructions
7. Operating Temperature: -10 ℃ ~ +50 ℃