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 Resistant Yes