Features: -Accuracy: features long range measuring with extreme accuracy and measures distances up to 5m Tape Measure 40m Laser Ranging;  -Easy to use: simple, one button operation Press button once to begin measuring，bring you more convenience;  -Live measuring: provides default real time measurement that adjusts as you move closer and farther from target, just like a tape measure;  -LED Display: features a backlit display that allows measurements to be easily read, even in dark areas;  -Precision: laser technology allows users to be more productive with greater accuracy and precision;  -Data storage: 20 groups data can be recorded, you can check the data anytime;  -Two-color rubber mold design: featuring in durable and tough;  -USB battery recharge:380mAh battery，cycle charging, convenience and environment-friendly;   Specification: Maximum measuring distance: 40M;  Laser grade:Class2;  Measurement accuracy: ±(1.5mm+5×10D);  Laser type:630-670nm,＜1mW;  Screen type: Black and white reverse display;  Tape measure: 5m;  Tape accuracy: ±1.5mm;  Working temperature: 0℃-40℃;  Storage temperature：-10℃-41℃;  Package size: 9.3*8.9*6.4cm/3.66*3.50*2.51inch;  Package weight: 200g/7.05oz;   Package list: 1* laser maesure tape