Wide Compatibility: This remote is designed to work seamlessly with Ecostar RSC2, RSE2, RSZ1, Hormann 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 the box. 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 Ecostar RSC4-433-BS, RSZ1-433-BS, Hrmann Liftronic 700-2, or Liftronic 800-2 models. Ensure 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 will 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.