Garage Door Opener Remote Red Learn Button 1B for Chamberlain Liftmaster Sears

Feature:
1.For Chamberlain Sears LiftMaster Craftsman 971LM 972LM 973LM 970LM Transmitter 1 Button 390 Mhz Security Plus System for use with Red Learn Button.
2.Comes with key chain and battery.
Specification:
Model number: F18617
Product name: 1 Button Garage Door Remote
Material: Metal + Plastic
Color: Black+ Silver
Battery: 3V CR2032
Compatible Model: Red learn button
Dimension: 54x32mm (LxW)
Quantity: 1pc
Fitment:
Compatible with Liftmaster 91LM, 92LM, 96LM,970LM ,972LM, 973LM and 974LM
For Chamberlain 950CB, 953CB, 956CB
For Sears 139.53681, 139.53680
Compatible with Security+ systems with Amber learn button, including Chamberlain, Sears, Craftsman and Raynor code rolling residential openers (Safety Signal)
Replaces transmitter model G971AC for Access Master garage door openers.
Also compatible with wireless keypad model number 976LM (same as model 940CB, 139.53684)
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
Compatible with Security+ garage opener receiver model numbers 335LM, 535LM, 412HM, 635LM
390 MHZ Frequency, over 100 billion codes with code rotating technology (Security+)
1 channel/button transmitter, compatible with models manufactured from 1997-2005
Note:
1.There Are No Instructions Included In This Kit.Method of programming is as your original remote. Please visit your LOCAL DEALER or LOCKSMITH if you don’t know how to program.
2.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need.
3.Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm)
Package Included:
1 X Garage Door Opener Remote