Code pairing: After turning on the energy and hearing a beep, press and maintain the "fan stop" button inside 3 seconds, the receiver will make a beep sound, and the code pairing is successful When the handheld remote control can't be efficiently controlled, please verify the battery After replacing the battery in the distant control, you should press the light on/ off change key to turn on the remote control Restore manufacturing unit settings: activate the power, press it for 2 hours immediately, and listen to a beep after five seconds, this means that the code is cleared efficiently Working voltage: AC a hundred and eighty -265V Please note: If the fan has a wall switch, it must be became on for high-quality management