4*433MHz AC180V-240V 1CH Universal 10A Relay Wireless Remote Control Switch Receiver Module and 5PCS 4 Key RF 433MHz Transmitter Remote Controller 1527 Chip

Features:*Simple operation and convenient to use, simple wiring diagram connection way.*Stable and reliable performance, high receive sensitivity.It can connect to the electronic control lock,garage door, light, electric curtain, household appliances,etc.*Super small body, the receiver box is about 8*4*2.3cm, will not take up too much space.*There working modes can be changed by yourself: you can switch Inching/self-locking/interlock function(adjustable)to as you need.*Learning pair code: it can work with any remote control with the same frequency, so you needn't worry about losing remote control any more. (If the remote control is lost, buy one and pair with the PCB board is OK.)