Comprehensive Compatibility: This remote is a perfect replacement for Linear Megacode models MCT-3 DNT00089, ACT-31B, ACP00879, MCT-11, DNT00090. Note: It does not support garage door openers with dip switch technology. Extensive Device Support: Works seamlessly with for LINEAR models LD033, LD050, LS050, LC075, LDCO800, LSO50, and LSO50-2T. Compatible with for Linear MegaCode Receivers including MDR, MDR-U, MDR-2, MDRG, MDRM, , -2, and SMDRG. Superior Security and Range: Features 318MHZ Megacode technology for top-level security and anti-theft protection. It boasts a control range of 164ft and is designed for easy pairing with your garage door motor. Colour:Black Material:plastic Package Contents: 2 x Garage Door Opener Remote 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.