General description The 3 Pack Universal Replacement Remote Controls for Electric Garage Gates operate at a frequency of 433 MHz. This versatile remote control features four buttons, each capable of copying different types of chips, allowing you to manage multiple facilities with a single device. It utilizes advanced radio frequency technology for high sensitivity and a transmission distance of 50-100 meters in open spaces, enhancing convenience in your daily life. Technical specifications Frequency: 433 MHz Transmission distance: 50-100 meters (open space) Channels: 4 Usage Compatible with cars, car roofs, garage doors, gate doors, alarm systems, heating systems, and home automation.