Universal: With a weight of 15 grams, the programmable universal remote control is the first compact universal key opener. Suitable to replace all unproduced fixed code remote controls, and also to replace newer models currently on the market (non-rolling code). You can insert up to four remote controls with a frequency of 433 MHz in its memory. Programming: The universal door remote control is extremely compact and can store up to 4 different radio control codes. The universal door remote control is programmed to self-learn the original remote control. Strong compatibility: Our universal car remote control is compatible with most universal fixed code electric gate, garage and door remote controls that work with the 433.92 MHz frequency of any brand. Unique design: Self-learning door remote control that can copy remote controls for gates, garages, overhead doors and shutters. It is extremely compact in size, made of ABS and aluminum, with a clean and modern design, and sliding key covers to prevent accidental pressing. 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