... code remote control 3,frequency 433.92MHz 4, 5 pad for programming programmable remote control duplicator 433mhz Function:1,Copy most of fixed code remote control, ... Face to face copy in seconds, by pressing the buttons directly.2, Fixed frequency: 433.92MHz/ ... -3SMC918-4HT680HT600HT600the 5 pads used for programmingPicture: programmable remote control duplicator 433mhz