Laser distance meter MS-80A has up to 80 m measurement, quick laser distance meter calculations, higher accuracy +/-1.5 mm, easy-to-use addition and subtraction function, full pythagoras function, min/ max distance tracking function, front/ rear edge reference, dual laser brightness, 4-line display, 20 complete displays storage, display backlight, tripod mode, audible keypad feedback, enhanced environmental protection, low battery indicator, auto power off and 2 AAA batteries.