KEY FEATURES High accuracy +0.1° at 0°/90° Ideal for checking ADA compliance Angle inclination in 5 units of measure (degrees, percent, in/ft (fractional), in/ft (decimal), mm/m) EZ-Read™ backlit display visible in all lighting conditions Display inverts when working overhead Rigid box frame resists deflection and twist Solid block vials won't fog, leak or crack Shock absorbing end caps