Note: The color of the product we ship is the color in the first picture, and the specification and quantity are shipped according to the quantity and specification described in the title. If you need to change the color or style, you need to contact us within 12 hours after placing the order. Our product description: MoesHouse Wireless RF Receiver Learning Code Decoder 433MHz Remote Control Key 4 Channel ControllerSize Conversion Inches Centimeters Please according to your own measurements to choose your suitable size. The tags inside the items will show in our Asian (Type) size. Product Features: 1. RF433 Frequency for Pairing:This kind of remote control is compatible with all MoesHouse products with RF433 MHz frequency, providing a much easier way to remotely control them with one-key button. 2. Support one to control more or more control one: One switch can be controlled by different remote controllers from different buttons after successfully paired. Also, one remote controller with 4 channels is able to control 1/2/3 Gang switch with one-to-one paired to control independently. 3. Only encoding 1527 available: This kind of remote control is only compatible with transmitter encoding type 1527, no others available. So if you want to pair this to any other smart products,please confirm the encoding model is 1527 for normal use. 4. Use with Light Rope: Replace the original metal hoop, this remote controller is designed with light rope for easy carry around. 5. High sensitive one-key button with three colors optional: 4 channels on one remote control are all sensitive enough to operate, no delay to control. Besides, three colors are selected that are all with good texture. Note: Each RF433 smart product will have different pairing ways, and you can find the pairing details in their user manuals. Parameter: Wireless Communication: RF Model Number: 433MHz remote control Channel: 4 Frequency: 433MHz Choose: 433MHz 1527 Learning code Package included: 1 x MoesHouse 433MHz Remote Control Note: Because the model and display effect of the monitor may be different, there may be slight differences in color, and the size is manually measured, there may be an error of 1-2cm, please understand.