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 Yes, For Use With Electric Gate, Fail Secure Electric Locking Device, Fail-Safe, Garage Door