Replacement Remote Control: Specifically designed for EcoStar and Hormann garage door models, this remote operates at a frequency of 433.92MHz. It is compatible with for EcoStar RSE2-433, RSC2-433, RSZ1-433, and several other models, ensuring wide-ranging use. Comprehensive Compatibility List: This remote is suitable for Hormann Liftronic 500/700/800 and for Portronic D2500/D5000/S4000 garage door operators. It seamlessly replaces your lost or remotes with identical functionality. Exclusion Details: Please note that this remote is not compatible with Ecostar BS Series (RSC4-433-BS, RSZ1-433-BS) and Liftronic 700 Series 2, Liftronic 800 Series 2. Ensure your model is compatible before purchase to avoid any inconvenience. (The actual product may have slight color difference or difference, which will not affect the use) Color: Grey Material: plastic Package Contents: 2 * garage door opener remote