REPLACEMENT 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 on a frequency of 433.92 MHz, 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 systems. It is tailored to seamlessly integrate with these specific models, providing you with reliable and efficient operation. INCOMPATIBILITY INFORMATION: Please note that this remote control is NOT compatible with the BS series (RSC4-433-BS, RSZ1-433-BS) AND Liftronic 700 series 2, Liftronic 800 series 2. For any compatibility concerns, our customer service team is ready to assist you in finding a perfect match. DESIGN AND DURABILITY: Featuring a robust metal base and a convenient opening at the bottom, this remote control is designed for and convenience. It's perfect for attaching to your keychain, ensuring it's always within reach when you need it. Color: black Material: plastic Due to different batches, there may be differences in product appearance and printed text, which does not affect use. Package Contents: 2 * Garage Door Remote Control Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.