Programmable universal remote controls, weighing 15 grams, are compact universal key openers. Suitable for replacing all out-of-production fixed code remote controls as well as newer models currently on the market (non-rolling code). Can store up to four remote control codes with a frequency of 433 MHz. PROGRAMMING: The compact universal gate remote control can store up to 4 different radio control codes. It is programmed via self-learning from the original remote control. WIDE COMPATIBILITY: Compatible with most universal fixed code electric gate, garage, and door controllers operating at 433.92 MHz frequency, regardless of brand. UNIQUE DESIGN: Self-learning remote control for gates, capable of copying remote controls for gates, garages, overhead doors, doors, and shutters. Extremely compact, constructed from ABS and aluminum, featuring a sleek and modern design. Sliding key cover helps prevent accidental presses.