MCT11 DNT00090 1-channel garage door opener remote control operating at 318 MHz. Features MegaCode technology with no dip switches—each transmitter is permanently factory-coded and sends a unique digital code when pressed. The receiver learns and memorizes transmitter codes, activating only from authorized remotes. High-visibility test/operate LED for status confirmation. Spring-steel dual-position visor clip mounts vertically or horizontally. Dimensions: 3.04 x 1.93 x 0.61 inches. Compatible with Linear garage door opener models LC075, LD033, LD050, LDCO800, LS050, LSO50, and LSO502T.