3-in-1 Portable Carbon Monoxide Detector CO Detector Alarm Temp/Humidity Sensor Air Quality for Indoor and Travel Tester Tool

Battery Included : Yes High-concerned chemical : None Is Smart Device : Yes Model Number : Portable Carbon Monoxide Detector With LCD Screen Or Not : Yes Gas Type : CO DIY Supplies : Electrical Origin : Mainland China Certification : CE,FCC,RoHS CO Range : 0-999ppm CO measurement Accuracy : +50 PPM or 5% TEMPERATURE Range : -10~50°C HUMIDITY Range : 5 ~95%RH BATTERY CAPACITY : 400mAh CHARGING TIME : 1 Hour BODY MATERIAL : Aluminum Alloy SCREEN MATERIAL : TFT Color Screen