TECH Digital Electronic Level Type 196-2 Electronic measuring technology / Two digital displays / Audible inclination guide / IP 65 Dust and Waterproof / Removable shock-absorbing end caps with anti-slip wall grips FEATURES Precise slope measurements as needed for ADA 4.8.2 handicap ramp compliance Fast and accurate readings Dual screens (Front & Top) allow easy viewing from any angle Electronic displays illuminate for easy viewing in low light conditions 5 display modes (degrees in 1 or 2 decimal points, percent, feet & inches (rise/run) in decimal, Feet & inches in fractions, and mm/m) Instantly converts measurements to any scale. Rise & run to degrees, degrees to percent, etc... Audible tones for sight free use Simple one button calibration 14" model designed to fit between wall studs to check slope on waste pipes Uses 2 AA batteries Carrying case included