gas detector

GS818 Gas Detector Power: AC220 240V/50Hz,60H,Rechargeable battery back up (2 x AA, 1.2V 1800mAH), and it can last at least 10h in case of interrupted power supply. Alarm volume : ≥85db@30cm LED indicators: 3 colors LED indicator, Green LED is working indicator, Yellow LED is low concentration indicator, Red LED is high concentration indicator. Alarm pattern: Low concentration: BI 0.5s--pause 0.5s, and repeat; High concentration BI 0.2s--pause 0.2s, and repeat Operating Temperature : -10 50 Ambient Humidity : 10% 90% RH Power Consumption : ≤3 W Detection gas type(optional) : Butane/Propane/city gas/Methane/hydrogen/Ammonia Alarm sensitivity : 10%LEL Output signal(optional) : Wire/wireless solenoid valve,NO/NC Other function 1.LED flashlight: it can light some dark places in kitchen. 2.The detector can be removed from the rechargeable base, to detect the gas leakage in any places, such as pipeline and valve etc..