HIGH PRECISION & FOUR UNITS: 0.1 at 0~90, 0.2 at other angles with 0.05 resolution. It is designed with a wide measuring range of 4*90 (0~360). There are four measurement unit selections, degree ()percentage (%), mm/m, in/ft, which can meet various working needs. This digital angle inclinometer is handy for carpentry, construction, machinery, telecommunications, automotive, etc. BACKLIT LCD DISPLAY & EASY TO READ: The digital angle gauge features a large backlit LCD display, which provides accurate, fast and clear measurements. The measurements can be easily read even in a dark environment. The backlight can be turned on and off freely. The display will also be reversed automatically when the tool is upside down. Moreover, this digital level tool will automatically shut off after 5 minutes of inactivity to save power. V-GROOVED MAGNET BASE & EASY MARKING: With its strong magnetic base to V groove, this digital angle gauge attaches easily and securely to miter saw, band saw, table saw blades, metal poles and round pipes. It can be used on fences, tables etc. Thanks to its powerful magnet, the tool is then placed without worry. The grooves on the left and right are convenient for marking when measuring. HOLD&ZERO FUNCTION: The current measurement value can be held on the display by short pressing the switch HOLD. The zero function allows users to set a relative zero angle on any reference surface. The built-in level bubble bottle on the top is designed for battery-free leveling work. PORTABLE&PACKAGE CONTENT: With mini size, this digital angle level can place in the tight spaces to get the perfect and needed measurements. Convenient design and a portable pouch, this rugged precision tool can be taken anywhere. Users can install the battery easily with the included screwdriver. Package contents include 2 AAA batteries, screwdriver, portable pouch with belt loop, user manual.