Digital Angle Gauge is great for precision angle measurements.For Calculating in Helicopter/Bevel Angle of Miter Saw/Automobile Test and Repair.It not only useful for carpentry projects,we could find a lot of other uses around the house.It useful for hanging pictures on the wall, finding a flat-ish spot when camping,setting decorative bricks in the garden.VA LCD screen, It is more easier and clearer to read the values even work at night,because Upgraded LCD Display with new black-light white characters function.what more,LCD Display with a Low battery indicate.High accuracy level bubble vial on the top, for leveling work without batteryZero and hold features allow accurate measurement of absolute AND relative angles, bevels, and slopes on any surface you can imagine.The display was inverted automatically when the upside is down.Digital level box is operated by 2pcs AAA batteries(included) and will automatically Turn Off after 5 minutes of no .Wide measuring range of 4*90° (0 ~ 360°)Unit of measurement (°degrees / % / mm/m / IN/FT)Upgraded VA LCD Display w/ BacklightResolution: 0.05°Precision of Digital Display : ±0.1° at 0° and 90°, ±0.2° at other anglesWorking Temperature: 32°F to 104°F (0°C to 40°C)Power: 2 *AAA battery ( Not include)Dimension: approx. 68*32*62mm(L*W*H)Weight: approx. 100gAngle display in degrees,Absolute and relative measurements of angle. Digital Angle Gauge is great for precision angle measurements. For Calculating in Helicopter/Bevel Angle of Miter Saw/Automobile Test and Repair. It not only useful for carpentry projects,we could find a lot of other uses around the house. It useful for hanging pictures on the wall, finding a flat-ish spot when camping,setting decorative bricks in the garden. VA LCD screen, It is more easier and clearer to read the values even work at night,because Upgraded LCD Display with new black-light white characters function. Multi-purpose measuring tool set protractor, inclinometer and level three-in-,High accuracy and resolution,Degree and Percentage of slope in conversion. Department unisex-adult Item Weight 1.76 ounces Manufacturer HBJWOV Number of pieces 1 Assembly required No Item model number HBJWOV-333 Package Dimensions 0.39 x 0.39 x 0.39 inches Tickrepellent material synthetic-fiber