General Description This universal rolling code and fixed code multi-frequency remote control is compatible with the CARDIN S449-QZ2 S449-QZ4 models. It works with most garage gate and electric door remote controls, both rolling code and fixed code, with frequencies ranging from 306 to 868 MHz, including brands such as FAAC, Nice, Came, Ditec, and BFT. Its compact design allows you to memorize up to 4 different radio control codes, and it is programmable by self-learning from the original remote control. Technical specifications Self-learning of the code and frequency from the original remote control. Produced in scratch-resistant ABS with a modern design. Dimensions: 6.4 x 3.3 x 1.2 cm. 3V CR2032 lithium battery included. Can memorize up to 4 commands. Compatible with Rolling Code and Fixed Code. Compatibility and accessories Compatible with remote controls from brands such as: FAAC 315MHz DITEC GOL 433MHz FAAC SLH 868.3 MHz BFT MITTO 433.92 Installation The remote control comes with