[Warm Tips]-- This garage door remote control is a replacement rather. We recommend that you refer to the list below for device compatibility before purchasing. [Garage Remote Control Replacement]-- Our garage remote control works with 433.92MHz Rolling Code and is compatible with Crawford RCU 433-2K, RCU 433-4K, EA433 2KM, EA433 2KS, EA433 4KS, N002800, T433-4. [Compatible Garage Opener List]-- Our garage door remote control works for Crawford Entrematic Magic 600 / Magic 1000 / Ultra (all versions after 2005) / Ultra Excellent (all series after 2005). [ & Portable]-- Thanks to the small design, our remote control can be attached to your keychain with the included key ring and is therefore always at hand. Colour:Photo Color Material:plastic Package Contents: 1 x remote controller 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.