Description:Sensor TypeElectrochemicalsensorGas Detection TypeCarbon MonoxideSensor Lifetimemax. 10 yearsSound Level75 dB at 1 meter (3.28 feet)Operating Voltage:DC3V LR6-AA*2(Does not include battery)Alarm OutputAudible and visual indicationOperation Temperature-10 ~55Ambient Humidity0% ~ 90%RH non-condensingProduct Weight110gProduct Size90*90*33mm1.Remote monitoringThe smoke dynamics can be observed in real time through the mobile APP. No matter how far away you are from home, you can make your home smarter.2.High-sensitivity smoke detectionwhen a fire occurs, the sensor will sensitively detect smoke, send out an alarm bell, and then push the notice to your smart phone to protect people and property. Exclusive smoke intelligent algorithm has high sensitivity, no false alarm and strong anti-interference ability.3.Low Voltage RemindWhen the battery level is low, it will automatically remind you to change batteries, never worry about running out of battery.4.Wide applicationperfect patent structure of full buckle, anti-disassembly bracket and convenient installation and cleaning. Widely used in homes, factories, schools, shops, offices, villas and residential areas needing fire alarm.5.Unique digital LCD screen to show low levels of CO6.Faulty warning.7.Big test button for easy operation.8.Large test and silence button9.Easy to Install - free standing or wall mountedPackage Included:1 set * (1 detector, 1 manual)