If the remote control is lost, buy one and pair with the receiver is OK.
The wireless RF signal can pass through walls, floors and doors. One/several transmitters can control one/several receivers simultaneously. Support remote controllers up to 16 pieces. This switch can learn 1527 coding remote controls. The working mode can be changed by yourself you can switch to momentary, toggle, latching three modes as you need. The wireless receiving controller, with high confidentiality, stable performance, low power consumption characteristic, jump line or dial the code switch coding. Learning pair code it can work with any remote control with the same frequency, so you needn 39 t worry about
So that it can remote unlock the door, close the light, open or close the curtain, etc. You can turn on/off the receiver with transmitter remote control from any place within a reliable distance 500m open area