REPLACEMENT FOR GARAGE REMOTE CONTROL: Specifically designed for Hormann EcoStar models including RSC2-433, RSZ1-433, RSE2-433, RSE4-433, RS2-433, RS4-433, RSN2-433, RSM4-433. This remote operates at a frequency of 433.92MHz, ensuring seamless functionality with your existing garage door system. COMPATIBILITY: This remote control is fully compatible with Hormann Liftronic 500, 700, 800, and Portronic D2500, D5000, S4000 garage door operators. It is designed to integrate with these specific models, providing reliable and efficient operation. INCOMPATIBILITY: This remote is not compatible with Ecostar BS Series (RSC4-433-BS, RSZ1-433-BS) and Liftronic 700 Series 2, Liftronic 800 Series 2. For compatibility questions, contact customer service for assistance. DESIGN AND DURABILITY: Features a sturdy construction with a metal base and a bottom opening for easy attachment to a keychain. Designed for durability and convenience. Color: Black Material: Plastic Note: Due to variations in lighting and display settings, the color of the item may appear slightly different in images. Measurement may vary by +/- 1-3 cm. Package Contents: 2 x Garage Door Remote Control (remote controls only; other items not included)