General description This Garage Door Key is compatible with Hörmann Ecostar RSE 2 and RSC 2 models, operating at a frequency of 433.92 MHz. It is a step meter and not an original part, designed for reliable performance with various motor drives. Technical specifications Frequency: 433.92 MHz Buttons: 2 Battery: 12V/27A, alkaline Working distance: 30 × 50 m Compatibility and accessories Compatible Motors/Drives: Liftronic 500, 700, 800 (not compatible with Liftronic 700-2800-2 from February 2021) Portronic D5000, S4000, D2500 Installation Press the P button on the drive motor to activate programming mode (the red LED will light up slowly). Press the compatible remote control; the LED on the driver will flash faster. Press the same button again and hold it for 15 seconds until the LED lights up quickly, indicating successful programming. The red LED will remain on, confirming that programming is finished. Usage Designed for opening and closing compatible garage doors. Simple and modern