Package 1xReceiver 1xTransmitter 1xRemote Controller 3xWall Plugs 3xScrews 1xInstruction Manual 1x12V 27A Battery Set up procedure for Model:QH-9821B & SKU:O00QH-0251 It"s very important that user has to finish the code matching within the 30 seconds for receiver, transmitter and remote controller, as per following instruction. 1.Install batteries into transmitter and pull out a clear plastic from back of the remote control. Face transmitter to different direction that has no any noticeably hot object moving at sufficient speed. 2.Install batteries or connect a power adapter to turn on receiver, the LED indicators of the receiver will flash for 30 seconds, which means it"s under a code matching status. 3.While the LED still flashing from the receiver, move your hand around the transmitter"s PIR area until the LED indicator is on and it will sound with BBB, indicating the transmitter has successfully matched the code with the receiver. Repeat these steps if set up others transmitter as well. 4.After the LED indicators of the receiver has stop flashing, press the bottom locked or unlock from the remote control and the LED indicator is on and will sound with B or BB, indicating that the remote controller has successfully matched the code with the receiver. 5.Press the locked button(top) on the remote control, a B sound indicates that the receiver will come into working status. Press the bottom unlocked button, the receiver will stop working. NOTE: The receiver is equipped with maximum 5 codes and it"s only under a code matching status for the first 30 seconds. It won"t give out any chime or alarm sound even if there is signal coming.