Features 1.Hold the copied remote control in one hand and the copying remote control in the other hand. The two remote controls should be as close as possible. Press the buttons of the two remote controls at the same time. After 3 seconds, the LED indicator flashes 2.Press and hold the two buttons on the front (top) of the remote control. After the lamp flashes in 3 seconds, release one of the C or D keys, and continuously press the C or D button for three times. The LED light continues to flash, indicating that the 3.Recovery method description: If the useful data is cleared by mistake, you can press the two buttons on the back (below) of the remote control at the same time without re-copying the other remote controllers. After the indicator flashes rapidly for 3 tim 4.High accuracy and effectiveness of copying, easy and convenient to operate. 5.Wide applications. Wireless remote control duplicator, duplicate your existing remote controllers for car, car sunroofs, garage doors, gate doors, electric doors and windows, heating systems, home automation lighting and alarm system, etc. specificationFeatures:_x000D_ 1. Hold the copied remote control in one hand and the copying remote control in the other hand. The two remote controls should be as close as possible. Press the buttons of the two remote controls at the same time. After 3 seconds, the LED indicator flashes for 3 times. Then it flashes continuously, which means that the button code for the copying remote control is the same as the button code of the copied remote controller. The other buttons are the same as above._x000D_ 2. Press and hold the two buttons on the front (top) of the remote control. After the lamp flashes in 3 seconds, release one of the C or D keys, and continuously press the C or D button for three times. The LED light continues to flash, indicating that the code stored in the remote has been cleared._x000D_ 3. Recovery method description: If the useful data is cleared by mistake, you can press the two buttons on the back (below) of the remote control at the same time without re-copying the other remote controllers. After the indicator flashes rapidly for 3 times, the recovery is successful._x000D_ 4. High accuracy and effectiveness of copying, easy and convenient to operate._x000D_ 5. Wide applications. Wireless remote control duplicator, duplicate your existing remote controllers for car, car sunroofs, garage doors, gate doors, electric doors and windows, heating systems, home automation lighting and alarm system, etc._x000D_ _x000D_ s:_x000D_ Model: AV ID 4-key remote controller_x000D_ Type: Enhanced special frequency copy remote controller_x000D_ Operating voltage: 6V(2 x 3V 2016 model button battery)_x000D_ Operating frequency: special frequency 433MHZ (other frequencies can be customized)_x000D_ Number of keys: 4_x000D_ Remote control distance: 50m (in open environment)_x000D_ Copyable chip:_x000D_ Fixed code and learning code remote control: PT2240, PT2260, PT2262, EV1527, FP527, AX5326, PT2242, HT600, HT680, HT6207, HT6010, HT6012, HT6014, AX5326-4, SMC5026, SMC5326-3, SMC5326-4, SMC918, SMC918-3, SMC918-4, etc. _x000D_ Size: Approx. 6.2x3.5x1.1 cm/2.44x1.38x0.43inch_x000D_ _x000D_ Package List:_x000D_ 1 x Remote Control PackageList