The Extech DT60M laser distance meter measures distance up to 196ft (60m). It can calculate area and volume, and the integrated Pythagorean Theorem allows the user to take indirect measurements. Other features include continuous analysis with Min/Max distance tracking, 20 point memory, addition/subtraction of consecutive readings, front or rear edge reference, and a Stakeout function. Large quad backlit LCD display and double moulded housing. It also has a handy built-in bubble level and comes with a wrist strap and batteries.