Compatible with Crawford Models: This high-quality garage door remote control is designed to replace Crawford EA433 2KS, EA433 2KM, EA433 4KS, RCU 433-2K, RCU 433-4K, N002800, and T433-4 models. Please confirm compatibility with your model before purchasing to ensure smooth operation. Dual-Channel Functionality: Two buttons on the remote control different channels, allowing you to independently control two different garage doors. This feature enhances convenience and efficiency in managing multiple garage doors. Complete Set, Ready for Immediate Use: The set includes two robust 433.92 MHz garage door remote controls. Easy installation ensures you can quickly replace your old remote and regain control of your garage door. Colors: Gray and blue. Material: Plastic. Package Contents: 2 remote controls. Only the above package content is included; other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture to differ slightly from the actual product. The allowed measurement error is +/- 1-3 cm. (Third-party alternative)