The DK-12 standalone keypad and controller is ideal for lower security requirements such as traffic control. Easy to install and easy to program, the one-piece DK-12 supports 99 user codes, including Passage mode and Lockout mode. Single gang, stainless steel plate with low voltage mounting ring. 12 key illuminated 3×4 keypad. True 10-digit operation (10 digits plus * and # keys). Configurable audible keystroke echo. Red, green and yellow LEDs for status and programming feedback. Fail secure or fail safe-capable. Accepts 12V or 24 VAC or DC current. 5A SPDT timed, control relay output. Request to exit (REX) input.