🔍 Vzmcov Gas Detector: Rechargeable Portable 4-in-1 Gas Clip - Monitor, Tester, Analyzer - Sound, Light, Shock - 2-Year Detector Review

High Sensitive and Accurate Measurement:Handheld 4 gas detector with high quality imported gas sensor, excellent sensitivity and excellent repeatability, Comes FACTORY CALIBRATED. Open and use directly. Wide Application Easy Carrying Around:This gas monitor detector with compact size and unique clip design, Convenient for user to carry around, can widely used in petroleum,matallurgy,agricultrue,chemical industry, refining,fire prevention,effectively predicting as to ensure the safety of the environment. Dust-proof and explosion-proof,Detection error better than ≤±5% F.S. and response time: T<30s. Zero and span calibration options. Battery included -- 4.2V rechargeable lithium battery powered and included in the package, long capacity 1800mAh battery for long continuous working time.Compact size and unique clip design, it is convenient for user to carry around.Higher Quality Lower Error,Made of high strength ABS and Anti-slip grip rubber. Three Alarm Methods:The portable gas detector with human voice, Adjustable audio, visual, and vibration alarms alert when preset levels are reached. Can accurately measure the gas concentration with easy-to-read number shown on the display. 100% Satisfied Warranty:If you HAVE ANY QUALITY ISSUES OR NOT SATISFIED with our 4 gas detector, please CONTACT US BY EMAIL, we will give you well-done solution, RETURN or REPLACE a new one within 90 days.