The 375UT-2button is the compatible universal replacement for the LiftMaster 300MC garage door opener remote, featuring 300 MHz frequency and 10 dip switch programming for secure, customizable control. This remote works with MultiCode 3089, 1089, 3083, 4120, 3070, and 3060 remotes, as well as Digi-Code DC5010 and DC5040 transmitters, and is designed for 300 MHz receivers including MultiCode 1090, 1099, 3021, and 3028, and Tricode TCG1, TCG2, TCR1, and TCR2 gate and garage door opener receivers. Originally supplied with Chamberlain 300MC, DigiCode DC5010, DigiCode DC5040, LiftMaster 300MC, Tricode TCG1, TCG2, TCR1, and TCR2 models.