Control Lights, motors, fans, electrically operated doors / locks / windows / blinds, cars or other appliances; You can turn on/off the receiver with transmitter (remote control) from any place within a reliable distance; Wireless RF signal can pass through walls, floors and doors.One / several transmitters can control one / several receivers simultaneously; Wireless receiving controller with high confidentiality, stable performance, low power consumption characteristic; With coding of jump line or DIP.