High precision: high copying precision, high efficiency, simple and convenient to use. Bring you a new remote control experience, very practical in daily life How to use: Hold the copied remote control in one hand and the copied remote control in the other hand. The two remote controls should be as close as possible. Press the buttons on both remote controls simultaneously. After 3 seconds, the LED light flashes Wide application: wireless remote control replicator, replicate your existing car remote control, car sunroof, garage door, gate, electric doors and windows, heating system , home automation lighting and alarm system, etc. Description of the recovery method: If you delete useful data by mistake, you can simultaneously press the two buttons on the back ( at the bottom) of the remote control without copying other remote controls. After the light flashes 3 times quickly Fixed code remote control and learning code: PT2240, PT2260, PT2262, EV1527, FP527, AX5326, PT2242, HT600, HT680, HT6207, HT6010, HT6012, HT6014 , AX5326-4, SMC5026, SMC5326-3, SMC. 5326-4, SMC91 8 .SMC918-3, SMC918-4, etc. Model: 4-button AV ID remote control. Type: Upgraded version of copy remote control frequency. Working voltage: 6V (2 x 3V button battery 2016 model) Working frequency: special frequency 433MHz (other frequencies can be customized) . Number of keys: 4 Remote control distance: 30m (open environment) Package list: 1 remote control