Outdoor laser measure with integrated viewfinder for measurements up to 200 meters / 650 feet Measurement accuracy: 1.0 mm Measurement functions: Single and continuous measurement, outdoor mode, digital level Calculation functions: Addition, subtraction, area, volume, painter's area, stakeout, min/max, timer, offset, memory (30x), trapezoid (2x), Pythagoras (3x), indirect measurement (4x)