Precise Sensors for Fast Gas Leak Detection: The Guard-156 4 Gas Monitor is engineered to swiftly detect 4 key gases (H2S, CO, LEL, and O2). It responds within 0.5 seconds and continuously alarms until gas levels are restored to safe levels. Additionally, Guard-156 includes an alarm history storage feature for easy tracking and safety management

Quick Charging & Portable Design: Guard-156 4 Gas Monitor provides a 4 hour fast charge for 15 hours of battery life and includes a real-time battery indicator. A low-battery alert activates when power falls below 10%, keeping you protected at all times

Triple Alarms & Explosion-Proof Safety: Guard-156 Gas Monitor utilizes three alarm modes: LED light, vibration, and sound. Its compact size and back clip make it easy to carry, and it is made of high-strength ABS engineering plastic, making it waterproof, dustproof, and explosion-proof

Professional Certification: Guard-156 4 Gas Monitor has undergone stringent safety testing by an international certification body. It holds valid certifications, meeting industry standards to ensure high reliability and accuracy across various environments

What You Get: Your purchase includes the Guard-156 gas detector, packaging box, user manual, charging cable, and a standard gas hood. Suitable for industrial manufacturing, mining, agriculture, emergency rescue, and home use