Features 1、390MHZ frequency, compatible with operators manufactured between 1997‑2005. 2、Smart coding button with green LED, easy to operate, convenient for using. 3、1 channel transmitter, compatible with the "Billion Code" series . 4、Also compatible with wireless keypad model number for Chamberlain 950CB, 953CB, 956CB. 5、Lightweight and compact styling, easy to carry and store. Specification Condition: New Item Type: Garage Door Opener Material: ABS Color: As picture shown GDO Learn Button Color Compatibility (Learn Button Color ): Orange/Red Code Type Compatibility: Security+390MHz Compatible Model: For Liftmaster 971LM 390MHz With Orange/Red Learn Button 1997-2005 Replacement aftermarket remote compatible with the following part numbers: For Chamberlain: 950CB, 953CB, 956CB, or keyless entry 940CB For Liftmaster: 970LM, 971LM, 972LM, 973LM,974LM, or keyless entry 976LM For Sears/Craftsman: 139.53681 or 139.53680 Package List 1 x Key 1 x Buckle