Technical Specification Item Access Control Keypad Access Type Keypad Interface AL-DTMII Case Material Metal Finish Bright Brass Series 3000 Height 6 Width 4 Number of Keys 12 Timed Entry Allowance 1 to 99 sec. Power Required 12 to 24VAC/DC Operating Temp. Range -31 Degrees to 151 Degrees F Event Audit Trail 40, 000 Max. User Codes 2000 Max. Proximity Range At Lock Standards UL Listed Weather Resistant Yes For Use With Electronic Locks Features Basic User Codes, An Be Used to Activate or Deactivate A Door Strike, Automated Unlock/Lock Includes Manual/Instructions This listing is for each.