★★★★★
Main garage, workshop, side gate, and our cabin two hours away. Four buttons, one remote — and the cabin pairing still works after sitting unused for months.
Liftmaster
315 MHz Security+ four-channel visor transmitter — the maximum-channel version of the Liftmaster Security+ family. Operates four separate doors, openers, or gates from one remote. Pairs with any Liftmaster, Chamberlain, or Sears Craftsman opener that has a purple learn button.
Confirmed-compatible openers, receivers, and the older remotes this part replaces. If your model isn't listed, send us a photo and we'll verify before you buy.
Liftmaster openers
Chamberlain openers
Security+ receivers
Replaces these remotes
Same internal hardware as the 371LM/372LM/373LM, with one extra channel. Ideal for households with a main garage, a workshop, an exterior gate, and a guesthouse — or for anyone who prefers headroom over swapping remotes.
Each button on the 374LM pairs independently — repeat the procedure once per button to activate up to four different doors or gates.
Each Security+ opener stores up to 8 button-pairings — every button on the 374LM counts as one pairing per opener.
★★★★★
Main garage, workshop, side gate, and our cabin two hours away. Four buttons, one remote — and the cabin pairing still works after sitting unused for months.
★★★★★
I bought the 373LM first and immediately wished I had the fourth button. Returned it for the 374LM — worth the few extra dollars.