The smart copy remote control is ideal for copying your remote control at home because its robust privacy features make it suitable for controlling electric devices and garage doors with the smart copy remote control. Simple to use: 1. Clear code: Hold the top two buttons for three seconds until the LED light flashes and the code is cleared. 2. Copying: Hold the original remote control in the left hand and the copying remote control in the right hand. Press the corresponding key for 3 seconds simultaneously; the LED flashes twice, and the copying is complete. 3. Recovery: Holding the two bottom buttons for three seconds will result in the LED light flashing, indicating a successful recovery Specifications: Working voltage: DC12V (built-in 27A12V battery) Working current: 10mA@12V Transmission frequency: 433MHZ Transmission distance: 50-100M (open area, the sensitivity of the receiving device is minus 100dbm) Function: copy remote control/test remote control/copy remote control Size: 6.7*1.7*1.7 (cm) Package Includes: 1 x Duplicator Copier Remote Control Note: 1. Due to the difference between different monitors, the picture may not reflect the item's actual color(s). We guarantee the style is the same as shown in the photos.2. Please, allow slight dimension difference due to different manual measurements.3. The measurement allowed error is +/- 1-3cm.