Replacement Model: Replacement For Linear Megacode ACT-31B ACP00879 MCT-11 DNT00090 MCT-1, Attention: Not support dip switch garage door opener ! Compatible list: Compatible with for LINEAR LD033, LD050, LS050, LC075, LDCO800, LSO50, and LSO50-2T Garage Door Opener. Works for Linear MegaCode Receiver: MDR, MDR-U, MDR-2, MDRG, MDRM, MGR, MGR-2, and SMDRG. Extended Battery Life: Trust our dependable 240MAH lithium battery for prolonged power, ensuring uninterrupted performance right when you need it most. Ultimate Durability: Crafted with unparalleled resilience, our remote has withstood over 100,000 rigorous tests, guaranteeing dependable performance for years to come. Megacode Rolling Code: Experience ultimate peace of mind with Megacode Rolling Code, providing superior security and safe access from a distance of up to 164 feet. Color:Black Material:plastic Package Contents: 2 * Remote Control