The Dortonics 8112 Series standalone access keypad provides a cost-effective solution for control of independent doors and gates. All programming is accomplished from the front panel without the need for a separate programmer. Up to 120 unique codes are possible. An optional printer interface can provide audit trail information. For models are available, including narrow door frame applications., and three of the four are weatherized for exterior applications. More info: www.dortronics.com.