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…