Wide Compatibility: This remote is designed to work seamlessly with RSC2, RSE2, RSZ1, Liftronic 500, 700, 800, and Portronic D2500, D5000, S4000 models, ensuring a broad range of use with 433 MHz frequency systems. Ready to Use: Equipped with a 3V CR2032 lithium battery, this remote control is ready to operate right out of . Avoid the hassle of purchasing batteries separately and enjoy immediate functionality upon receiving your remote. Exclusion List: Please note, this remote is not compatible for RSC4-433-BS, RSZ1-433-BS, Liftronic 700-2, or Liftronic 800-2 models. your model is compatible before purchasing to avoid any inconvenience. Colour:black Material:plastic Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 2 * garage door opener 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.