Lightweight and Portable: The electronic tape measure is 15mm thick and 30g in weight. It is only 1/3 the size of an ordinary tape measure and 1/4 the weight, which is convenient to carry and measure at any time.Quality Materials: The electronic tape measure is made of high quality 6063 aluminum alloy, high hardness plexiglass and ABS materials, this product features compression resistance and scratch resistance.99 Meters Ultra Long RangeA single convenient distance measurement from 0 to 99m, and a maximum distance measurement of 99 meters (automatic accumulation).Ultra Long EnduranceThe electronic tape measure with built-in 200mAh low internal resistance lithium polymer battery, once fully charged, it can achieve ultra long standby up to 200 days. Charge for 5 minutes and last for 2 hours.Wide ApplicationElectronic ruler suitable for: straight line measurement, round measurement, arbitrary curve measurement, irregular surface measurement, cylindrical diameter measurement, accumulation/subtraction of 10 historical records, measurement prompt sound measurement, breathing light measurement, unit switching, etc. Easily cover your different measurement needs in daily life and work.