Working frequency: 433MHz Battery type: 3V button battery 2032 * 1 Working method: copying Function Description (1) Copy pairing operation The remote control needs to clear the code before it can be checked. (Note: After clearing the code, the first key copied determines the frequency of the remote control. For example, starting from the lock button, the frequency of the remote control is 433.92MHz, starting from the unlock button is 315MHz, and starting from the -button is 430MHz.) Code matching operation: both the copied remote control and the single button of the copied remote control simultaneously until the copy remote control indicator light flashes quickly to release the two remote control buttons, and the code matching is successful. Follow this method to operate other buttons in sequence until all buttons are copied. (2) Clear code operation and hold both the lock and unlock buttons on the copy remote control simultaneously until the indicator light flashes . Short the lock button three times to clear the code (keep the unlock button pressed during this process). (3) Recovery operation Simultaneously and hold the unlock and -buttons on the copy remote control until the indicator light flashes quickly to restore the previously copied code. Colour:Black Material:Plastic Package Contents: 1 * Garage Gate Door Opener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.