Anderic Substitute for Linear ACT21 Megacode 1-button 318 mhz keychain Garage Door Opener Remote Control [375UT-2button]

The 375UT-2button is the compatible universal replacement for the Linear ACT21 Megacode 1-button 318 MHz keychain remote. This two-button transmitter operates with smart coding—no dip switches required—and works with Linear Megacode System products and other major garage door opener brands including LiftMaster, Chamberlain, Genie, Craftsman, and Wayne Dalton models made since 1983. The compact keychain design includes a key ring for convenient carry and control of multiple openers. Wide compatibility and straightforward operation make this an ideal substitute for single-button remotes.