hot sale 220V smoke detector

Specifications: Power Supply: AC 240V with DC 9V battery backup Alarm Sound: >85dB(A) at 3 meters Mounting: Ceiling or wall Interconnectivity: Up to 24 units Indicators: Red LED (Alarm Status) Green LED (AC Mains Power) Protection: Insect screen for sensing chamber Weight: ≈255g Dimensions: Ф120*46mm (Diameter x Height)   Product Parameter Model No. LZ-1907 Standard AS3786：2014 Voltage AC 240V with DC 9V battery back up Standby current ≤10uA Alarm current ≤50mA Sensor type Photoelectric Temperature 一10°C ~ 50°C Ambient Humidity ≤95%R.H LED indication Red LED & Buzzer Hush time 8~9min Product life 10 years Sound pressure ≥85dB(around 3m) Weight ≈255g Product size Φ120*46mm Installation way Wall or Ceiling mounting   Key Placement Guidelines Location Installation Guidelines Bedrooms At least one alarm in every bedroom. Hallways Along main escape routes. Stairways On…

DC 3V With Lithium Battery Smoke Alarm Smoke Alarms DC 240V Smoke Alarm 9V Battery Smoke Alarm