<div>Measuring range: 0.1-40m</div><div>Accuracy of Measurement:  ±（2+5×10-5D） mm</div><div>Laser Diode：630-670nm,＜1mW</div><div>Laser Class：  2</div><div>Min.Display Unit：  1mm</div><div>Auto Off(without Operation for)：  180s</div><div>Battery Life(indivdual Measurment):  &nbsp;5000 times</div><div>Battery Specification：  &nbsp; 2x1.2V HR03 AAA</div><div>Working Temperature：  0℃~+40℃</div><div>Storage Temperature：  -10℃~+60℃</div><div>Product Size： 115x50x28mm</div><div>Net Weight：92g<br>Features:<br><div>1. USB Cable charging: convenient and easy;</div><div>2. HD backlit LCD screen；</div><div>3. 8-measurement mode, 30-measurement storage capability;</div><div>4. English voice broadcast: easy to use.</div></div>