Independent Photoelectric Smoke Detector 3V for Homes Schools Restaurants Companies Warehouses

Feature: 1. When the smoke concentration in the environment exceeds the standard, the detector will alarm quickly. 2. Make a sound of up to 80 decibels, allowing you to extinguish the fire sprouts in time to avoid the deterioration. 3. High?quality circuit board with sound insulation and heat insulation, bring you more advantages. 4. The precise photoelectric sensor ensures a high degree of consistency and stability, effectively avoiding false alarms. 5. Manufactured by superior quality ABS flame retardant materials, more safer and environmentally friendly. Specification: Item Type: Smoke Alarm Material: ABS Application: Suitable for homes, schools, restaurants, companies, warehouses, hotels, shopping malls and other places. Power Supply: 2pcs Biult-in AA battery 120mA Alarm Sound Pressure: more than 80db Manual Test: Automatic Reset Sensor Type: Infrared Photoelectric Quiescent Current: less than 15uA Alarm Current: less than 30mA Alarm Indication: Red LED Working Temperature: -10 celsius to +50 celsius Working Humidity: less than 95percent RH (no condensation) Monitoring Area: Approx. 20-60 square meters Alarm Mode: Voice alarm, sound and light alarm Installation Method: Ceiling installation. Package List: 1 x Smoke Alarm 2 x Screw2 x Expansion Tube1 x Manual