Wireless Smoke Fire Detector Smoke Alarm

Features:1.Independent type suction, ceiling-mounted, fireproof material, simple installation without debugging;2.Built-in special IC, stable performance, high sensitivity;3.Based on the optical principle, it can accurately detect the early smoke of the fire;4.It can simulate alarm test for alarm;5.9V battery power supply. Surveillance state current is less than 10uA, alarm current is less than 12mA; 6.Voltage alarm function. When the battery voltage is lower than 6.8V, it will remind the users to change the battery;7.Alarm volume: >85dB;8.Temperature range: 10-60℃9.LED indicate alarm, dustproof, mothproof, anti-white light;Specifications:Unit Size: 115X115X45mm/4.52*4.52*1.77inOperating voltage: DC 9V battery (6F22 carbon battery, not included)Static current: ≤20uAAlarm current: ≤40mAAlarm indication: LED red light flashesAlarm sound : ≥ 85dB/3MRadio frequency: 315MHz or 433MHz( optional ) Sensor: OpticalCertificate: EN14604 & CE & RoHS ApprovalPackage included:1*Unit1*User Manual