... bule,yellow,plum& black wall switch for lights and appliances scene control wall switch Working system: PLC system/ ... two ”off”, can turn on, turn off, lamps, appliances, motors you have added in just by easy touch.2 ... left home.(3)You can control the lights or appliances with web controller via WAN or LAN. To ... turn on , turn off lamps or appliances easily just by several clicks on the PC or ...