Replacement Remote Control: This garage door remote is designed as a replacement, not an accessory. Ensure compatibility with your device by checking the list below before purchase. Ideal for those needing a reliable substitute for the Normstahl RCU 433-2K model. Dual Channel Functionality: Each of the two buttons on the remote controls a separate channel, allowing you to operate two different garage doors independently. This feature provides a convenient solution for managing multiple garage access points with ease. Color: As Shown in Picture Material: Plastic Package Contents: 2 x Garage Door Openers Note: Only the items listed above are included; other products are not included. Light reflection and differences in display screens may cause slight variations between the color of the item in the picture and the actual item. Measurement may vary by +/- 1-3 cm.