... bule,yellow,plum& black wall switch for lights and appliances scene control wall switch Working ... system: PLC system/ X10 system, receive and transmit X10 signalFeatures:1.application scope: ... and make your house cozier. Shipment1. Items are only shipped after payment is received.2. We provide DNJ, EMS, DHL, TNT for ... shipping method.3. Delivery time:EMS, UPS, DHL, FedEx and TNT express ...