Product Features:
1. Photoelectric sensing technology;
2. Test button-to verify unit's electronic circuitry, horn and battery;
3. Audible and visible alarm-Loud 85dB(3m) with Red LED flashing;
4. Low battery warning-Smoke detector will chirp when the battery is low;
5. Tamper resist-Helps deter alarm tampering or theft;
Technical Specifications:
1) Material: ABS plastic
2) Assembly no wiring, size: Dia.102xH35mm
3) Power supply:9V carbon zinc battery/PP3(battery included)
4) Standby current: 8μA, Alarm current: 16mA
5) Environment temperature: -10°C ~ +50°C
6) Environment humidity: 0 to 95%(40±2°C)
7) Alarm decibel: louder than 85dB at 10feet(3 meters)
8) Tamper Resist locking pin
9) Test button:To verify the proper functioning of the detector
10) Low voltage warning: Unit beeps every 40 seconds for 30 days (minimum) to indicate a need of battery replacement
11) CE, ROHS
12) 5 years quality guarantee