Sell Smoke Detector Alarm Portable Fire Alarms Photoelectric Sensor Battery Operated Not Hardwired with Red LED Indicator for Home Office Hotel best price

Keep your family safe with this battery powered smoke detector alarm. Features: Equipped with photoelectric sensor, providing 24/7 protection with 360 degree access. Adopts MCU auto-processing technology. Dust-proof, mothproof and anti white light interference. Quick respond and alarm with loud sound output of 85dB at 3 meters when danger detected. Smoke alarm with flashing red LED, high sensitivity, with test and silence button. 2 * AAA batteries (NOT INCLUDED) operated for convenience, low power indication, flame-retardant ABS material. It can be quickly installed in your home without requiring an electrician, no wire needed, not hardwired. Sleek profile with glossy white, easy to integrate with home, office, hotel, school, factory, etc.. Note: avoid installations in places with stagnating smoke, heavy dust, heavy water mist, heavy oil mist, great humidity (95%RH) and high wind speed (>5m/s). Specifications: Material: ABS Static Current: ≤5uA Alarm Current: ≤50mA Working Temperature: -10°C~50°C Working Humidity: ≤95%RH Alarm Sound: ≥85dB/ 3m Detecting Area: 80㎡ at 6-12m Installation Height; 60㎡ at Installation Height <6m Power Supply: 2 * AAA Batteries (NOT INCLUDED) Item Size: 9.8 * 3.7cm / 3.86 * 1.46in Item Weight: 117g / 4.14oz Package Size: 11.4 * 11.0 * 4.5cm / 4.49 * 4.33 * 1.77in Package Weight: 163g / 5.73oz Package List: 1 * Smoke Detector 2 * Screws 2 * Plastic Insert 1 * Manual