Anself mini digital laser distance meter has high accuracy and wide measuring range up to 100 meter / 328 feet, quick measurement of distance, area and volume with one button operation, automatic calculation of area and volume, indirect measurement by pythagorean theorem, min/max distance tracking, distance measurement precision ±2mm, measurement unit options mm / in / ft, single/continuous measurement function, area measurement function, volume measurement function, pythagorean proposition measurement function full mode, add and subtract measurement function, data store/ recall function, max storage 99 units, data hold / data clear function, level bubble, automatic backlight, buttons/keys sound, sutomatically cut off laser 20s, automatic shutdown 150s.