Chamberlain 940D Wireless Keyless Entry System
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The Chamberlain 940D Wireless Keyless Entry System is easy to install allows you to control your garage door or gate without a remote or keys. With this unit, you access your opener with a PIN code that is easy to program in 2 simple steps. It uses Security+® rolling code technology that sends a new code every time the remote control is used. This system has a back lit keypad for easy viewing in the dark It has a slide cover that is weather resistant. It is powered by one 9V battery that is included.
