Carbon Monoxide + Smoke Alarm Acousto-Optic Alarm LED Indicator Alarm

Features Low battery warning Buzzer alarm High accurate electrochemical sensor and infrared photoelectric sensor SoundFlash AlarmLED indicating Alarm SMT Manufacture technology reliable stability Anti White light interference Suitable for detect the smoke in house shop hotel restaurant office building school bank library computer house and storehouse etc Ultra long standby time low current consumption Specification Material ABS plasticColor WhiteSize 45 48 35mmPower Supply 9V battery 1 6F22 Static current 10uAAlarm current 30mAAlarm voice Smart human voice promptSensor electrochenical carbon monoxide sensorTemperature 0℃ 50℃Relative Humidity 10 95 Carbon monoxide sensor detect concentration 000 999PPMSmoke sensor sensitive 2 06ft1 3Alarm indication red LED flashingBattery capacity low battery alarmDimensions 112 32mm Package Includes 1 x Smoke Detector1 x User Manual4 x Screws Details Pictures