Features: D5 is a handheld laser distance meter using laser to measure length. Compact inner structure, large display is easier for users to read. It is easier to use and designed with a screw hole so you can mount it on a tripod. The measuring unit is changeable among m/ft/in/ft+in. D5 can meet the measurement needs of most people and provide high-quality measurement experience for your try. Specifications: Model D5 Measuring Range 40m Measuring Accuracy +/-2mm Continuous Measurement Yes Measuring Unit m/ft/in/ft+in Laser Class Class 2 Laser Type 630-670nm, < 1mW Reference rear side Battery Type AAA 2x1.5V (NOT included) Size 10*3.5*2.3cm/3.9*1.4*0.9in Weight 162g (approx.) Package Includes: 1 x Range Finder (NOT included) 1 x Wrist Cord 1、D5 is a handheld laser distance meter using laser to measure length. 2、Compact inner structure, large display is easier for users to read. 3、It is easier to use and designed with a screw hole so you can mount it on a tripod. 4、The measuring unit is changeable among m/ft/in/ft+in. 5、D5 can meet the measurement needs of most people and provide high-quality measurement experience for your try.