One remote control can control up to 4 different codes and is self-programmable. Compatible with most remote controls (such as Faac, Came, Nice...), 433.92 MHz frequency, fixed code. Simple and modern design. Battery not included (27A 12V), replaceable without loss of stored codes. Note: This product does not include instructions. The remote control is extremely compact and made of robust ABS plastic and aluminum. It has a sleek, modern design and features sliding key protection to prevent accidental presses. Battery not included (27A - 12V), replaceable without loss of saved codes. This item is sold without a description. But it's simple to use: to program a remote control, simply hold it in front of the remote control you want to copy, about half a centimeter away. Press and hold the Copy button on the original remote and the Program button (A or B) on the new remote simultaneously. After approximately 3 seconds, the LED indicator will begin to flash steadily. Then release the