Features: sensor flusher/automatic flusher/automatic sensor flusher Power: AC110v~220V DC 6V(4AA alkaline bateries) Power consumption in static: ≤0.5mW (DC) ≤2W(AC) Work water pressure:0.1~0.6mpa best water pressure:0.1~0.3mpa Ambient temperture:0.1-45 degree Celsius For hot and cold water Certificate: ISO9001-2000, CE,rohs