Features: It can copy other ordinary remote control of the same frequency, and can clear and learn codes at any time. It is convenient and fast to use, and can be used in fieldssuch as car remote control, lighting control, and home remote control Function Description 1 Copy Code Matching Operation: If the remote control has checkedthe code, it is necessary to clear the code in order to check the code. Code matching operation: Press a single button on both the copied remote control and the copy remote control at the same time, until the copy remote control indicator light flashes from fast to steady, and then release the two remote control buttons. Code matching is successful. Follow this methods to operate other buttons in sequenceuntil all buttons are copied. 2 During the code clearing operation, press and hold the copy remote control lock and unlock buttons until the indicator light flashes quickly. Then, briefly press the unlock button three times to clear the code (hold down the lock button continuously during this process). 3 to restore the remote control code that previously cleared, press and hold the copy remote control silentand ringbuttons simultaneously until the indicator light flashes quickly Specifications: Material: ABS Operating frequency: 315 MHz/433.92 MHz Battery type: 12V, 23Aalkaline battery Working Methods: Copy Material: ABS Product size: approx 58.5x30.125mm/ 2.3x1.18in Quantity: 1 Pc Note: The battery voltage should not exceed the working voltage When copying remote control, try to keep the two remote control close together as much as possible, otherwise there may be copying exceptions. In environments with high wireless interference, remote control distance may decrease. The remote control is suitable for use within 30-50meters. Do not use it for long-distance remote control. Do not use in damp environments, as it may cause damage to the remote control. Package includes: 1PCx Remote Control