High Compact and light weight 12v /24v input volt 500w pure sine wave ... Power ON/OFF SwitchProtections: short circuit, overload, over temperature, low battery voltage, over battery voltage, lack-voltage alarm. Large volume, high efficiency, stable ... -voltage protectionFuseAC standard voltage range210~230VACAC frequency range49Hz51HzStandby power<6WUnder voltage alarm10.V-10.8VUnder voltage protection< ...