... , shutter, garages and so on.Specifications of the Wireless Remote Control Switch K110:Rated Voltage: 220VAC (Default) or 110VAC ... Voltage Type: CapacitorExterior dimension: 95mm*40mm*25mmNet Weight: 600gRecommend Remote Part Number:For 100meters: YK101;For 1000meters: YK110, YK110A ... ;For 3000meters: YK130Skype: AsiaGSMalarm 1 Way Wireless Remote Light Switch K110,RF Radio Frequency