* Superior sensor are adopted for this product * Power Source :220V AC and 9V battery * Sensitivity : 3%-20%LEL * Power Consumption : 1.7W * Operating Temperature : -10℃ ~ 50℃ * Power, fault and Alarm indication * Horn Level :85 Decibels * Type Of Gas Sensed : + LPG (Butane, Propane)used in normal and mini gas bottles + Gas from piping system (city gas) and natural gas (Methane) * Can be connected with Valve (12VDC Output) for RCG412V only