Input power 5-12 VDC Current 40mA typical Dimensions 1.75" x 7.0" x 1.75" (4.45 x 17.8 x 4.45 cm) Slot width 0.62" to 0.069" (1.6 mm to 1.75 mm) Material Long-wearing Aluminum Alloy 6063 coated with either a black epoxy or chromium finish Weight 20 oz. (567 gm) Operating temperature -40° F to 160° F (-40° C to 70° C) Operating humidity 10 to 90% Output Wiegand Certifications UL 294 listed CE mark approved