Integrated angle sensor: Use as a digital level or take 1-point indirect measurements. Measures both height and length with one measurement! ISO tested to accuracy of 1/16"/195'. 7 measurement modes: Length (single or continuous), Area/Volume, 2-Point Pythagoras, 1-Point Pythagoras, Digital Level, Stakeout. IP54 Rating. Backlit display for easy reading. LDM195 Includes > Laser, 2 "AAA" alkaline batteries, wrist strap, soft-sided pouch, quick start guide.