Tuya Wifi Carbon monoxide Detector with LCD Display 70dB Alarm Sound CO gas Sensor Home Security protection equipment

Does not include battery APP:tuya Smart / Smart Life Description: 1.Unique digital LCD screen to show low levels of CO 2.Faulty warning. 3.Low battery warning. 4.Big test button for easy operation. 5.Large test and silence button 6.Easy to Install - free standing or wall mounted Specifications: Sensor Type:Electrochemicalsensor Gas Detection Type:Carbon Monoxide Sensor Lifetime:max. 10 years Sound Level:≥75 dB at 1 meter (3.28 feet) Operating Voltage:DC3V LR6-AA*2(Does not include battery) Alarm Output:Audible and visual indication Operation Temperature:-10℃ ~55℃ Ambient Humidity:0% ~ 90%RH non-condensing Product Weight:110g Product Size:90*90*33mm Alarm Sensitivity/Response: CO 30 PPM, no response before 120 minutes CO 50PPM, response within 60 ~ 90 minutes CO 100 PPM, response within 10 ~ 40 minutes CO 300 PPM, response within 3 minutes Package Included: 1 detector (Does not include battery) 1 manual