DAHUA DETECTOR PROPANE LPG/HY-GB40A

— 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
— 1 valve output, 1 relay output
— A built-in high-volume buzzer, 70dB (A) at 1m (3.28 feet)
— Three indicator lights for displaying device status clearly
— Gas Type: Propane (C3H8)
— Power Supply: DC 12V 1A (power supply included)