Characteristics:-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 wide range and its accuracy could reach 2mm.-- 20 data memories let you check the latest measured values freely.- Our product can switch between meters (m), inches (inch) and feet (feet). It's 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.-- Our product is widely used in the field of interior decoration, interior design and architecture.Specification:Product para:-Name: Distance Meter with a measuring range of 0.05-40m- Color: black/white-Function:1:Pythagorean function for remote measurement of altitude or longitude2: Addition/Subtraction calculation and areaolume measurement3: 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,