General description This Digital Inclinometer Protractor is a versatile 3-in-1 angle gauge designed for carpentry, building, automotive, and masonry applications. It features a strong V-groove magnetic base for easy attachment to various surfaces and a backlit LCD screen for clear visibility in any lighting condition. Technical specifications Measuring range: 0~360° (4 x 90°) Accuracy: 0.1° at 0°~90°, ±0.2° at other angles Resolution: 0.05° Measuring units: degree (°), percentage (%), mm/m, in/ft Automatic shut-off after 5 minutes of inactivity Compatibility and accessories Strong V-groove magnetic base for attachment to miter saws, band saws, table saw blades, metal poles, and round pipes Includes a portable pouch for easy transport Battery installation screwdriver included Usage Ideal for carpentry, construction, machinery, telecommunications, and automotive tasks HOLD function to retain current measurement on display Zero function to set a relative zero angle on any reference surface Built-in level bubble for battery-free leveling work