● Stores up to 400 codes, 4 or 5 digit. ● Program from the keypad or from an Android Smartphone with the DKS Manager App. ● Wrong code lockout settable from 3-9 tries and 1-9 minutes. ● Low power mode for solar applications. ● Single Form C dry contact relay. ● Operates on 12 to 24 volt AC or DC power. ● Dimensions: 5.375"H x 4.5"W x 3.687"D.