Carefree Security 1050X Digital Keypad w/Plastic Keyboard

Features include up to 1000 Codes, self contained access control metal keypad, microprocessor based memory, surge protection built-in, LED status indicators, audio tone, easy to program, programmable through keypad, built in timer for remote exit door switch, latching relay to hold gates/doors open, automatic Voltage Sensor - 10V to 30V AC or DC, cast aluminum metal housing, highly vandal resistant, compact and easy to install, fully sealed keyboard, and no code number loss with power failure. Dimensions - 3 x 4 x 2 inches.