This smoke detector not only has a beautiful appearance, but also uses very high-grade ABS fireproof material. The built-in lithium battery with a life of 10 years allows you to avoid the trouble of frequent battery replacement. 

Main Features: 
1.stand alone style
2.Infrared photoelectronic sensor;
3.buzzer alarm/LED indicating alarm;
4.Latest design
5.with hush button
6.Low voltage threshold
7.Execute Criterion:EN14604:2005/AC:2008
8.Suitable for family homes, commercial shops, restaurants, factories, office buildings

Specifications
Working Voltage:    DC3V built-in lithium battery（SR-X851）
Standby current:    ＜12uA
Alarm current:    ＜35mA
Low voltage threshold:    2.7V
Product lifespan:    10 years
Alarm mode:    LED &buzzer
Alarm sound:    >85dB/3M
Fire protection grade:    V-0
Material:    ABS fireproof material
Installation method:    ceiling mounted
Product size:    Φ110mm×H42mm
single packing size:    132mm*123mm*50mm
Detector Net weight:    140g
Execute Criterion:     EN14604:2005/AC:2008