Cautions: When the new device cannot be remote controlled, please check whether the bar codes in emitter and receiver are consistent, whether the indicator light on the emitter is working, whether the cable of receiver is connected properly, and whether the buzzer beeps once when power is on. When the receiver cannot be controlled by the emitter, please check whether the battery contacts normally and whether the power is sufficient. Please replace the battery in a timely manner when it is out of power. Insensitive remote control may be due to an interfering environment or low battery. Please remove the battery when it is not in use for a long time. Please wire properly in strict accordance with the parameters on the labels. Otherwise, it may directly shorten the life of this device or cause malfunction immediately. The antenna must not be connected with other wires. When there is a code switch on the fan, please turn the fan to the highest gear before remote controlling. The receiver beeps when you click the remote. It might bother some people. Please ensure there is enough space in the canopy of the fan or fit the receiver beside it. Operating Voltage: AC 90-220V Working Frequency: 50-60Hz Remote Control Distance: More than 20 meters Support Encoding: 1527 learning code Operating Mode: 1527 remote control Loading Power: Ceiling Fan: Max. 300W Incandescent Lamp: Max. 1000W LED / Energy saving lamp: Max. 200W Please do not overload. Remote control battery: 2 AAA batteries required (not included) Type: 220V/110V Color: White + Black Material: Plastic Package Contents: 1 x Controller 1 x Remote Control 1 x Wall Seat Only the above package content is included; other products are not included. Note: Light shooting and different displays may cause slight color differences between the item in the picture and the real thing. Measurement allows an error of +/- 1-3cm.