1Easy targeting with bright red laser pointer indicator. It can provide a high accuracy measured data. Accuracy: 0mm. Also having a wide measuring range 0.2-328feet (100m), 0.2-262ft (80m), 0.2-196ft (60m), 0.2-131ft (40m) 2Handheld and pocket size, easy to carry. Large LCD with backlight screen for better visibility in dark areas. 5 buttons with indication images are convenient to use 3Multiple Measurement Features: Area, volume, addition and subtraction, Pythagorean. Automatic calculation of area and volume, can store 20 Measurements 4Water splash-proof & Dust-proof Function: Features IP54 water splash-proof level, which can protect the laser to the maximum extent in life 5Different unit options Meter(m), Inch(in) and Feet (ft). Battery Status Indication. Auto / manual power off function. Built-in leveling bubble instrument, more accurate and avoid other factors affect the measurement results