Self Contained Access Control Keypad Access Type Keypad Interface Stand Alone Case Material Stainless Steel Valox Finish Stainless Height 7 1/8 in Width 1 3/4 in Depth 3/4 in Number of Keys 0 Timed Entry Allowance 1 to 99 sec Power Required 12 to 24 V DC 5 V DC Operating Temp Range -40 Degrees to 70 Degrees C Max User Codes 500 Max Proximity Range Not Applicable Weather Resistant Yes For Use With Electric Gate Fail Secure Electric Locking Device Fail-Safe Garage Door