Access Control Keypad, Access Type Keypad, Case Material Stainless Steel Faceplate, Valox(R) Housing, Series K1, Height 7 1/8 in, Width 1 3/4 in, Depth 3/4 in, Number of Keys 12, Timed Entry Allowance 1 to 99 sec, Power Required 12 to 24V DC, 5 V DC, Operating Temp. Range -40 Degrees to 160 Degrees F, Max. User Codes 502, Weather Yes