23 Jul 3-in-1 Gas Leak Detector Propane Methane LPG Plug-in Alarm 85dB
85dB Audible & Visual Alarm. Equipped with high-sensitivity sensors, the device triggers a loud 85dB alarm and flashing red light when gas concentration exceeds safety levels (>150ppm). Supports detection range from 0–20% LEL for effective early warning....