AAS ADV-1000 AdvantageDK American Access System Post Mount Digital Keypad 1000 Codes Programmable four digit codes: 5, 50, 100, 500 Code Capacity, Programmable Personal Master Code Programmable Latch Code, Programmable Sleep Code, 3 strikes you're out, External event input Two relays w/ variable relay output time: 1 - 99 seconds, LED indicators and Night Light Limited two year warranty