Product Description

Liftmaster 974LM Garage Door Remote 4 channel transmitter, compatible with models manufactured from 1997-present Compatible with ALL Security+ systems, including Chamberlain, Sears, Craftsman and Raynor code rolling residential openers (Safety Signal) Compatible with Liftmaster garage door opener model numbers 1240R, 1245R, 1246R, 1255R, 1256R, 1265, 1280R, 1000SDR, 2000SDR, 1245 GMR, 1255GMR, 985, 2265, 2565, 1280R, 2280, 2580, 2220, 2110, ATS211R, 2500 Compatible with Chamberlain garage door opener model numbers 1200, 2200, 4200, 6200, 7220, CG40, CG40, PD210, PD610, PD612K, 7320, 8200, 9200, 4620, 4640, 9902, PD420, PD460-2, 9950 390 MHZ Frequency, 100 Billion codes with code rotating technology