Wireless 433MHZ Smoke Detector with Siren

Wireless smoke sensor fire smoke detector home safety security alarm systemProduct DetailIndependent type suction a top installation, fireproof material, easy installation, no commissioning;The built-in special IC, stable performance, high sensitivity;The optical principle smoke measure the room,can accurate detection or fire from the early smokeCan simulate alarm test for alarm;9V battery power supply,Surveillance state current less than 10uA,alarm current less than 12mA;Voltage alarm function. When the battery voltage is lower than 6.8V,issued a prompt remind users change the battery;Alarm volume:   85DB;Temperature range: 10-60Protection area: alarm installation height 6 meters,Protection9V battery,auto reset stainless steel shield,LED indicate alarm,dustproof, mothproof, anti white light interference;Alarm Output: relay output N.O./N.C.Unit Size:115X45mmOperating voltage:DC 9V battery (6F22 carbon battery, DC TYPEStatic current:20uAAlarm current:40mAAlarm indication:LED flashes in RedAlarm sound :85dD/3M SKU: smokedetector Category: Smoke Sensor