Access Control Keypad Access Type Keypad Case Material Zinc Alloy Finish Silver Powder Coated Series DK3000 Height 4 3/4 in Width 3 1/4 in Depth 1 7/8 in Number of Keys 0 Timed Entry Allowance 5 to 15 sec Power Required 12/24V AC/DC Operating Temp Range -31 Degrees to 151 Degrees F Event Audit Trail 40 000 Max User Codes 2 000 Standards UL Listed Weather Resistant Yes For Use With AL-DTMIII Mfr No ALPCI2-U-AL-IR1