easy-to-install photoelectric smoke detector stand alone

Power Source: 10-year sealed lithium battery
Sensor Type: Photoelectrical
Safety Standards: UL217, ULC S531, EN 14604:2005
Smoke Sensitivity:
0.97 - 1.79%/ft OBS (according to UL 217)
0.97 - 2.29%/ft OBS (according to ULC S531)
Standby Current: < 6 μ_x001e_A (average)
Alarm Current: < 60 mA (average)
Temperature Range: 40 °F (4.4 °C) to 100 °F (37.8 °C)
Humidity Range: < 95% (non-condensing)
Audio Alarm: ≥85 dB at 9.84 ft (3 m)
Silence Time: 9 minutes maximum

* Certification: UL217, ULC S531, EN 14604:2005;
* Key components to guarantee performance:
- Smoke maze around insect-proof net, Liteon brand for both infrared reciver and transmitting tube, for longer lifespan;
- Independent buzzer, Prevent oxidation, ensure stable sound transmission with 10-Year usage;
- MCU by Microchip & ST chipset, provide low power consumption; and software can support Temperature interference compensation & dust interference compensation;
- 10-year sealed lithium battery
* QC: Strict inspection as per AQL and GB2828 standard.100% fully test;
* Material: PC Material, high fire rating;
* Design: Unique LED indicator