Replacement Model Excellence: This remote is a perfect replacement for Linear Megacode models including MCT-3 DNT00089, ACT-31B, ACP00879, MCT-11 DNT00090, and MCT-1. Note: It does not support garage door openers with dip switch technology. Broad Compatibility: Seamlessly works with a wide range of Linear garage door openers such as LD033, LD050, LS050, LC075, LDCO800, LSO50, and LSO50-2T. Also compatible with for Linear MegaCode Receivers like MDR, MDR-U, MDR-2, MDRG, MDRM, , -2, and SMDRG. Superior Durability and Security: Constructed to endure over 100,000 press tests, our remote offers exceptional durability. Enhanced with Megacode Rolling Code technology, it ensures top- security and allows safe access from up to 164 feet away. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Black Material:Plastic Package Contents: 3 * Garage Door Remote Control 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.