Chamberlain Garage Door Wireless Keyless Entry The Wireless Keypad provides trusted, convenient walk-in access without using a remote control or key. Set up in seconds with easy-to-follow wireless programming and compatible with nearly every garage door opener made by Chamberlain, LiftMaster and Craftsman, built from 1993 to present. Any Chamberlain opener with Safety Sensors . Rigorous quality testing ensures that the hinged cover offers protection in all weather conditions. A personal four-digit access code allows for easy entries. The keypad also includes advanced features such as a one-touch close button for efficient exits and a temporary PIN that can be programmed to allow limited-time access for deliveries or guests. Security 2.0, the highest level of encryption, prevents hacking and provides peace of mind. Additional assurance with 1-year warranty. Includes 9V battery and instruction manual. Frequency All, Batteries Included Yes, Pkg Qty 1, Package Type Clamshell