1.CE certificate with EN14604
2.Detectors communicate with each other via radio signals

2. Photoelectric Sensor
3. Radio Frequency:433.92MHz
4. Range:50 meters(Min) in free space
5. Maximum Link Number:20pcs
6. Two-Tone LED:
Red LED Indicates Alarm
Green LED Indicates Radio is Received
7. Battery MissingLockout
8. Low Battery Alarm
9. Hight Sensitivity
10. Humidity Range:15% to 95%
11. Operating Temperature:-10 to +50 degree Centigrade
12. Built-in Sounder to give a minimum sound output of 85Db at 3m
13. Sense Smoker Using the light Scatter Principle
14. Quick Response to Visible Smolding Smoke
15. Test Button Simulates SmokeUse to Check Performance
16. Static Current:40μA
17. Alarm Current:30mA
18. Detectors communicate with each other
19. Unit Size:Φ105×42mm
20. Material:ABS