Nivcomp Standard Electronic Level with H-SetNivcomp is the first levelling instrument of its kind to let you work alone and even around corners with better than 2 mm precision and cover up to 2. 5 meters vertically over a 24M radius. Nivcomp directly displays vertical measurements on a LCD, in large, easy to read digits, unlike conventional builders optical and laser levels. The Nivcomp Standard model includes the H Set extension kit. Features: Easy to operate Durable & maintenance free No