Wireless Remote Control Mains Switch Power Point 1 Outlets DT173Master socket:Voltage: AC220V \/ 50HZCurrent: 8APower: 2200W-3500WAmbient temperature: -40 C ~ + 40 CSize: 137*72*40mmRemote control:Operating voltage: 12V DCBattery Type: 12V \/ 23A(Included)Operating Current: 13mATransmitting power: 0.1 W (power consumption was zero when not working)Remote distance: 50M-300M (without obstacles)Remote Size: 14*35*82mmPackage included:1 x Master socket1 x Remote control1 x 12V \/ 23A Battery