DHI-HY-GB401A

> High-performance sensor, intelligent and accurate detection of gas leakage, and send out alarm signal timely
> Operate stably and identify gas type effectively
> Intelligent linkage to close pipeline valve and start exhausting fan
> A built-in high-volume buzzer, 70dB (A) at 1m (3.28 feet)
> Three indicator lights for displaying device status clearly