D'NOR 4 Channel
REMOTE CONTROL PERMIUM ANTI-SPY ( 4 REMOTES + RECEIVER )-100% DNOR BRANDCOME WITH :- 433MHZ COLOUR REMOTE CONTROL x 4PCS- 433MHZ REMOTE RECEIVER x 1UNIT- REMOTE BRACKET x 2PCSHow to copy the remote1 - The receiver must be powered (DC 12v)2 - Press and hold No. 1 and No. 2 of the remote control at the same time, keep pressing until the receiver emits along tone (you can use the remote control)3 - Take the remote control you want to copy, and long press number one (until the receiver emits a sound)4 - Then using the available remote control, press and hold the number one and number two at the same time until thereceiver beeps for a long timeIt's finishedHow long is the warranty?A: 1 year manufacturing warranty exclude faulty during installation (when you install by yourself)How to do the warranty if the item is problem ?A : Obtain the address from us, and then send the product back for warranty(personal delivery is not supported, only express delivery)