Features 1、Premium wireless remote control 2、This is a fixed frequency remote control with EV1527 code, 433Mhz simple pairing 3、Build in button battery for long service time. Maximum control distance up to 100 meters in the open air 4、1/2/3/4 channel or 1 Button, 2 Buttons, 3 Buttons, 4 Buttons for choosing the one you need 5、Great for the control of garage door, gate doors and other equipment Specifications Description: 433MHz 1/2/3/4 channel wireless remote control great for the control of garage door, gate doors and other equipment. Features: Premium wireless remote control. This is a fixed frequency remote control with EV1527 code, 433Mhz simple pairing. Build in button battery for long service time. Maximum control distance up to 100 meters in the open air. 1/2/3/4 channel or 1 Button, 2 Buttons, 3 Buttons, 4 Buttons for choosing the one you need. Great for the control of garage door, gate doors and other equipment. It is only a common RF remote control/transmitter, which only function with the remote switch receiver. Specifications: Material: Plastic + Metal Color: As Picture Shown Encode: EV1527 Frequency: 433MHz Channel: (optional) Type: 1 Button, 2 Buttons, 3 Buttons, 4 Buttons(Optional) Remote Control Distance: 0~100m Power Supply: Button Cell (included) Size: As Picture Shown Package Weight: Approx. 20g Adaptation Range: It needs to be used with the receiver to learn, and cannot be used between the remote control and the remote control. Operating frequency: 433.92MHz Package Included: 1 x Wireless Remote Control Note: The product cannot be programmed, it can be directly paired with the receiver of the same frequency. This remote control is equipped with a learning code chip, which needs to be used with the receiver for learning. It cannot be used for learning between the remote control and the remote control. Package List