Description :

 
 KERUI Y52 Independent Type Smoke Burglar Alarm Detector Sensor
  

 Specification :
  

 Power Supply : DC 9V
 Alarm Indication : Red LED
 Alarming Decibel : ≥ 80dD
 Battery life: Carbon- zinc batteries (About 1 year); Alkaline batteries (About 3 years)
 Operating Temperature: -10 \u2103 to +50 \u2103
 Relative Humidity : ≤ 95% RH (40 \u2103 ± 2 \u2103)
 Output Form : Sound Alarming
 Execution Standard : GB4715-2005
 Weight : about 135g (Battery Included.)
  

 Package includeds :

 
 1 x KERUI Y52 Independent Smoke Detector
  

 Details pictures :