WEIWEISTORE 4 in 1 Gas Detector CO H2S O2 Monitor Analyzer Leak Portable Gas Leak Detector Quick Detection Gas Detector

4 in 1 Air Quality Detector DANOPLUS 4 in 1 Gas Detector is equipped with a high-tech sensitive chip,test carbon monoxide (CO), hydrogen sulfide (H2S) combustible gas(LEL), oxygen (O2) Visual, Buzzer&Vibration Alarm This Gas Detector alarm with audible, visual, and vibration simultaneously when the gas exceeds the normal conditions,set the High/Low alarm threshold Manually Multi-Functional Detector The accuracy of 4 Gas Detector is ≤±5%F.S, Dust-Proof&Waterproof IP65, Calibration Function, Time, password, backlight setting, response time:<30s Alarm Record This Gas Detector is able to automatically record data when the gas reading exceeds the High/Low alarm threshold, it can record more than 3000 groups data and save in the main unit Safety Setting The INITIAL PW of Gas Tester can be modified pw to protect your privacy, ensuring accessing safety