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 you with reliable and efficient operation. INCOMPATIBILITY INFORMATION: Please note that this remote is NOT compatible with BS Series (RSC4-433-BS, RSZ1-433-BS) AND Liftronic 700 Series 2, Liftronic 800 Series 2. For any compatibility queries, our customer service is ready to assist you to a perfect match. DESIGN AND DURABILITY: Featuring a robust metal base and a practical opening at the bottom, this remote control is designed for convenience. It's ideal for attaching to your keychain, ensuring it's always handy when you need it. Color: black Material: plastic Due to different production batches, there may be slight variations in product appearance and printed text, which do not affect performance. Package Contents: 2 x Garage Door Remote Control Note: Light reflection and different displays may cause the color of the item in the picture to appear slightly different from the actual product. Measurement error allowance is +/- 1-3 cm.