3 In 1 Carbon Monoxide Detector 1000mAh Portable Gas Detector CO Detector Alarm Temp Humidity Sensor for Outdoor Camping RV Car

Welcome to my store. I hope you have a pleasant shopping experience.Electric : Yes Material : Steel High-concerned chemical : None Type : Pocket, Multi Tools Origin : Mainland China Co Resolution : 1ppm Co Measurement Range : 0-500 Ppm (10%) Co Over-Limit Alarm : (Initial Default Value) 50 Ppm Temperature : 0~50 (1.5)/32~122 (2.7) Humidity : 0%~95%Rh (5%Rh)