1WIDE APPLICATION: This accurate rangefinder is available for home, construction, industrial, residential, warehouse and more 2LONG ENDURANCE: The laser distance meter uses an energy efficient and environmentally friendly lithium ion battery as power source and can take 5,000 measurements on a full charge 3HD BACKLIGHT, CLEAR AND BRIGHT: The laser measure allow you to switch between meters(m), inches(in), and feet(ft) for easy reading of measurements 4PRACTICAL AND EFFICIENT: The combination of multi core processor and optical lens ensures a significant increase in the efficiency of the measuring instrument and a significant reduction in the workload 5CORROSION RESISTANT ALUMINUM ALLOY: Rechargeable laser distance meter is made of excellent aluminum alloy material, light weight, possess good strength and good corrosion resistance