2-in-1 Laser Tape Measure Unit Switch m/ft/in/ft+in Laser Ranging 5M Tape Measure High Precision Distance, Continuity, Area, Volume, Pythagorean Measurement Item: 2-in-1 Laser Tape Level Measure Material: ABS Main Color: Yellow, Black Tape: 5M Laser Distance Meter: Measuring Accuracy: ±2mm Measuring Unit: m/ft/in/ft+in Measuring Range: 0.05-80m Measuring Time: 0.03s-3s Laser Grade: Ⅱ Laser Type: 630-650nm ; p<1mw Display Size: 20*24mm  Laser Auto Shut-Down: 15s Auto Shut-Down: 45s Measures Distance: √ Measures Area: √ Measures Volume: √ Measures Indirect-Pythagoras: √ Add, Subtract: √                           Data Storage 20 Groups  √ Change Starting Point (2 Point): √ Max/Min Measure : √ Backlit Screen Display: √ Button's Service Life: One Million Times    Battery Type: 3.7V 500mAh Polymer Battery   Working Temperature Range: 0℃-40℃ Storage Temperature Range: -20℃-60℃ Size: 8*7.5*6cm/3.15*2.95*2.36inch Package Size: 15*14*7cm Package Weight: 357g