... 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 ... the PC or touch on the mobile phone.Telling us your needs and plan, we can help you ... when processing order.7. Feel free to Contact us with any question, we will offer you satisfying answer ...