Access Control Keypad and Card Reader Access Type Keypad and Proximity Card Reader Interface Wiegand Case Material Stainless Steel Finish - Series PPH Height 7 1/4 in Width 3 5/8 in Depth 1 1/2 in Number of Keys 12 Power Required 5/12V DC Operating Temp Range -40 Degrees to 160 Degrees F Max User Codes 255 Max Proximity Range 5 in Standards Complies with Part 15 of the FCC Rules and Regulations Weather Resistant Yes