General Description This garage door remote control is a non-original compatible transmitter, designed to replace the HORMANN EcoStar 433.92MHz models RSC2-433, RSE2-433, and RSZ1-433. It allows you to control up to two garage doors simultaneously thanks to its two channels. Technical Specifications Frequency: 433.92 MHz Channels: 2 Compatibility: HORMANN EcoStar, Liftronic 500/700/800/720, Portronic D2500/D5000/S4000 Compatibility and Accessories Exclusive replacement for HORMANN EcoStar 433.92MHz RSC2-433, RSE2-433, RSZ1-433 Compatible with: Liftronic 500/700/800/720 and Portronic D2500/D5000/S4000 Not compatible with: Ecostar BS series RSC4-433-BS/RSZ1-433-BS and Liftronic 2 series 500-2/700-2/800-2 Installation The remote control comes with a user manual that guides the user through the programming and installation process. Usage To use the remote control, simply program it with your garage door receiver. Once configured, you can easily control the opening and closing of your garage doors. Other Information Supplied with a keyring and batteries, this remote control is ready to use. If you have any questions regarding its use or programming, do not hesitate to contact customer service.