Get WiFi Wireless Smart Smoke Detector Security Alarm Battery Operated Sensor System Features: High sensitivity smoke detection. It can be mounted on either the ceiling or the wall. Can be used in company, factory, warehouse, house, hotel, market, etc. A perfect item for protecting your family from the dangers of fire and smoke. Support multi-device controlled, enjoy your smart home with WIFI smart home devices. Do not need home gateway, you can easily achieve the intelligent control of home appliances. Smart alarm, sound alarm at the same time flashing, dazzling red light with alarm, full of power. Compact size design, optimize the internal structure, which bring you convenience, beauty and enjoyment. Specification: Material: ABS Color: White Type: WiFi Smoke Detector/Sensor Power supply: CR2 x 2pcs(3V) Standby Current: 25uA Work Current(Smoke Alarm): Max 100mA Max Alarm Sound: 90 dB-1m Wireless Type: 2.4GHz, 1T1R Protocol: IEEE 802.11b/