Pinhole Detector, Alarm Type Audio, Visual, Includes (3) AAA Batteries, 15 ft Ground Wire, Base Tube, Carabiner, Ear Bud, Hard Shell Case, Insulating Collar, Rectangle Sponge, Rectangle Sponge Hardware, Wrist Strap, Maximum Coating Thickness 500 um, Minimum Coating Thickness 0 um, Overall Height 10.6 in, Overall Length 2.3 in, Overall Width 2.1 in, Test Voltage 9 V, 67.5 V, 90 V, Maximum Operating Temperature 122 Degrees F, Minimum Operating Temperature 14 Degrees F