REPLACEMENT FOR GARAGE REMOTE CONTROL: Specifically designed for 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 LIST: This remote control is fully compatible with Liftronic 500, 700, 800, and Portronic D2500, D5000, S4000 garage door operators. It's tailored to seamlessly integrate with these specific models, providing reliable and efficient operation. INCOMPATIBILITY INFORMATION: This remote is NOT compatible with BS Series (RSC4-433-BS, RSZ1-433-BS) and Liftronic 700 Series 2, Liftronic 800 Series 2. DESIGN AND DURABILITY: Features a robust metal base and a practical opening at the bottom, designed for convenience. Ideal for attaching to your keychain, ensuring it's always handy. Color: black. Material: plastic. Due to different production batches, there may be variations in product appearance and printed text, which do not affect functionality. Package Contents: 2 x Garage Door Remote Control. Only the items listed are included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3 cm.