The 375UT-3button is the compatible replacement for LiftMaster 33LM, 63LM, Craftsman 139.53778, and HBW1D3469 garage door opener remotes. This 390 MHz visor remote controls up to three single-channel receivers or one 423LM 3-channel receiver with color-coded buttons for quick identification and includes a visor clip for convenient mounting. Security is provided by 9-trinary DIP switches offering 19,683 code combinations, along with a red LED battery indicator. Compatible with LiftMaster, Chamberlain, Genie, Craftsman, Linear, and Wayne Dalton openers from 1983 onward; not compatible with models ending in "C" (315 MHz Canadian versions).

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