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 433.92 MHz, ensuring seamless functionality with your existing garage door system. COMPATIBILITY LIST: This remote control is compatible with Liftronic 500, 700, 800, and Portronic D2500, D5000, S4000 garage door operators. INCOMPATIBILITY INFORMATION: This remote is not compatible with BS Series (RSC4-433-BS, RSZ1-433-BS), Liftronic 700 Series 2, or Liftronic 800 Series 2. DESIGN AND DURABILITY: Featuring a robust base and a practical opening at the bottom, this remote control is designed for convenience and easy attachment to a keychain. Color: Black Material: Plastic Due to different production batches, there may be slight differences in product appearance and printed text, which do not affect functionality. Package Contents: 2 × Garage Door Remote Control Only the above items are included; other products are not included. Note: Light reflection and display differences may cause slight color variation between the image and the actual product. Measurement tolerance is ±1–3 cm.