This LiftMaster CPTK1 is a One Button Key Chain Security+ 390MHz Garage Door Or Gate Opener Remote Control, is directly compatible with the Liftmaster 970LM, Chamberlain 950CB or Sears Craftsman 139.53680 or 139.53681 (00953680000 or 00953681000)
Works with all LiftMaster, Chamberlain, Sears Craftsman Security+ versions of garage door openers on the 390MHz frequency that have a RED or ORANGE learn button on the garage door opener.
The Lift Master CPTK3 / 970LM 1-button visor remote is directly compatible with the following models to control one security+ devices on 390Mhz:
LiftMaster: 91LM, 92LM, 94LM, 96LM, 971LM, 972LM, 973LM, 973W, 974LM.
Chamberlain: 950CB, 953CB, 956CB.
Sears Craftsman: 139.53680, 139.53681, 0953680000 or 00953681000.
Please Note: This unit will not work with openers that operate on the 315Mhz frequency or openers that have a PURPLE learn button. These operators requrie the 371LM or 370LM that operates on 315Mhz available from our store.
Power: 3 volt lithium battery CR2032 included
Frequency: 390 MHz
Codes: Features rolling code technology
Dimensions: 2.0 x 1.25 x 0.5 inches