4 in 1 Gas Detector for Home Portable Air Quality Monitor H2S,O2,CO and LEL Multiple Indicator with Vibration and Alarm

Advanced 4-Gas Detection for Ultimate Safety: The Airest-02 portable gas detector is your reliable partner for detecting carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S), and combustibles (EX). Built with imported sensors boasting a 2-5 year lifespan, it ensures continuous, accurate monitoring of gas leaks. Protect your team and workplace—invest in safety today! Upgraded Features for Easy Operation: Factory pre-set with an initial password "69," this 4-gas monitor is user-friendly and features an LCD real-time display. With triple alarms (light, sound, and vibration), IP54 waterproof rating, and a fast 45-second response time, it’s designed for efficiency and reliability. Stay alert and secure with up to 18 hours of standby time! Trusted Quality with Full Documentation: We stand by our product with robust documentation, including calibration certificates, UL reports, and safety compliance reports. Our commitment to quality ensures the Airest-02 meets industry standards. Have q