Quick and efficient. just press the button and measure; Easy to Operate: Great for Appraisers Carpenters Plumbers Technicians Floor and Tile Layers Painters; Measure indoors outdoors and hard to reach areas. Technical specifications Model: MEASITM S2 Range 0.1 to 60m (4in up to 196 ft); Measuring accuracy: 1.5 mm; Measuring units: M/in/ft; Laser Class: Class 2M; Laser Type: 635 nm < 1mW; Auto Bias Technology: Yes; Area Volume Calculations: Yes; Indirect measurement using Pythagoras: Yes; Addition/Subtraction: Yes; Continuous Measurement: Yes; Min/Max Distance Tracking: Yes; Display illumination and multi-line display: Yes; Buzzer indication: Yes; Multifunctional end pieces: Yes; Dust Protect/Splash proof: IP54; History measurement records: 20; Keyboard Type: Super Soft-Touch; Long life over 1 Million Times; Operating Temperature 0~+40'C (+32~+104'F); Storage Temperature -10~+60'C (14~+140'F); Battery Life up to 5000 measurements; Batteries Type: 2 x AAA 1.5V; Auto. laser switch-off after 0.5 min; Auto instrument switch-off after 3 min.