Meters Dual Laser Horizontal Bubble Rangefinder Scope SW-TG100 Wewoo Dual Laser Horizontal Bubble Rangefinder Scope SW-TG100 Instant measurement of distance, area and volume with one touch: YESSelf Calibration: YESWide range of measurement: YESHigh precision: 2mm (0.079inch) Automatic calculation of area and volume: YES Indirect measurement by Pythagoras Theorem: YESS Single / continuous measurement: YESMax / Min followed by distance (displayed value): YESEasy Addition / Subtraction of measurement: YESSet fore/aft benchmark: YESSelectable meter (m), inch (in) and feet (ft): YESData Store/recall function: YESData Data hold/delete function: 30 units Air bubble level: YES , included Easy targeting with a bright laser pointer: Yes Large LCD display with backlight and multi-line display (4 lines): YESAuto error correction and reporting technology: YESBuzzer indicator: Battery status Indication: YESIP54 protection ( splash guard): Auto/Manual power off function: YesMulti-function with intelligent calculation: Compact and convenient design: YESCE, ROHS, FCC Certificate: YES