433MHz Universal Remote Control Switch Wireless Relay 2CH Module Receiver Transmitter DC 12V 24V For Garage Door

Pairing and switching methods
① Inching mode: first remove the jumper on the controller, connect the power supply, and then the controller code learning key indicator to light up, then and hold the remote control button ( which button on the remote control to learn the code), and the controller indicator light flashes to indicate that the code learning is successful.
Working mode: the button to close the relay, release the button to disconnect the relay.
② Self-locking mode: Use a jumper to short-circuit the two rows of pins at the mode pin T on the controller. After connecting the power supply, the controller to turn on the code learning button indicator, then and hold the remote control button. The controller indicator flashes to indicate that the code learning is successful.
Working mode: the button with the learned code once, the relay be energized, the button again and the relay be disconnected.
③Interlock mode: Use a jumper to short-circuit the two rows of pins at the mode pin L on the controller. After connecting the power supply, the controller to turn on the code learning button indicator. Then and hold the remote control A button. The controller indicator flashes to indicate that the code learning is successful.

Package Contents:
1 * Receiver
1 * remote Switch

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.