Compatible with HORMANN HSM2 HSM4-HS2 HS4 868 MHz fixed code remote control. has the ability to memorize up to 4 commands. Self-learns the original code with remote control directly by a simple procedure. Self-learns the original code with remote control directly by a simple procedure. it is equipped with a battery the already included CR2016 remote control. PROGRAMMING MODE: 1. simultaneously press and hold premuti premuti the "open" and "close" buttons the led flashes three times then issue only the "close" button premerlo and quickly for 3 volte. The led light starts to flash so also grant the "open" button. 2. place the two remotes "back to back against". 3. press and hold down the button of the remote control to be copied therefore press and hold down a button of the universal remote control which wants to program and maintain the two buttons premuti until the led light flashes permanently. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin