Features:    --Made of high quality aluminum alloy material, our product is sturdy and durable.  --Our product is multifunctional and can measure distance, area and volume accurately, quickly and easily.  --Our product owns 40M / 60M / 80M wide range and its accuracy could reach ± 2mm.  --20 data memories allow you to check the latest measured values freely.  --Our product can switch between meters (m), inches (inch) and feet (feet). It is easy for you to read the measurement results.  --The reinforced surface is dust-proof and IP54 waterproof and can be used outdoors.  --The larger VTN screen can be seen very clearly at any angle with self-luminous figures and a wide viewing angle.  --The handheld design makes it easy to carry.  --Ou rproduct is widely used in the field of interior decoration, interior design and architecture.    Specification:  Product parament：  --Name: Distance Meter with a measuring range of 0.05-40m/60/80m  --Color: black  --Function:  1:Pythagoras function for remote measuring of height or length  2:Addition / Subtraction calculation and areaolume measurement  3:Backlit display shows multiple readings.  4: Audible alarm  --Laser auto off: 60s  --Power auto off: 60s  --Measuring distance: 0.05-80m  --Accuracy: ±1.5mm / ±0.06in  --Measurement units: m/in/ft  --Laser Type: Red laser, 635nm, <1mW, Class II  --Operating temperature: 0-40℃,(32-104℃)  --Battery: Powered by 200ah 3.7v  --Dimensions: 100mm*12.5mm*32mm  --Weight: 60g  --Packing list:  1*Instruction  1*USB charging cable  1*lanyard  1* rangefinder  colorful package    Packing list    --Packing list:  1*Instruction  1*USB charging cable  1*lanyard  1* rangefinder  colorful package