Suaoki Digital Laser Tape Measure 262 Ft, Measuring Device with Single/Continuous Measurement,Distance, Area and Pythagorean Measurement Modes,Measuring Range 0.2-80m HIGH ACCURACY: measure range up to 262.46 feet, accurate to within 1/12 inch; support both imperial and metric units (m/ft/in/ft+in) INTUITIVE OPERATION: 4 LCD backlit screen displays data clearly in 4 lines for easy reading; comfortable soft rubber button 4 MEASUREMENT MODES: single-distance measurement; continuous measurement; area measurement and Pythagorean measurement OPTIONAL REFERENCE: easily change your reference point between the front and the rear of the device COMPACT DESIGN: compact rubber housing with pocket clip; light weight only 0.22lb; suitable for outdoor use Product Weight: 98g (w/o batteries) Measuring Range: 0.65 262.46ft.(0.2 - 80m ) Measuring Accuracy: +/- 2 mm (0.078 in.) Measuring Units: ft/ m/ in./ ft+in. Laser Class: Class 2; 630  670 nm; &lt;1 mW Measuring Start Point: front, rear DimensionsL:4.72 x W:1.88 x H:1.06in120 x 48 x 27mm 1x Suaoki D8 Laser Distance Meter 2x 1.5V AAA Batteries 1x Belt Clip 1x Lanyard 1x User Manual