Natural Gas / City Gas (methane) detector for residential use. 24 Vdc supply required. Maximum consumption: 65 mA. IP32D. Includes alarm buzzer (85db). Standalone or able to be connected to the Detnov addressable loop. Includes alarm relay and fault relay. Conforms to EN 50194-1. Dimensions: 89.6 x 146.5 x 39 mm. Test button. 3 status LEDs: Service, fault and alarm. Wall mounting or DIN rail.