Reliable & accurate--digital inclinometer made of durable and sturdy shell, selected electronic parts, ensures long-lasting and excellent performance, ≤0.10° Or ≤0.15° High accuracy. Easy to use--the angle and level finder adopts press button for easy operation; just simply a few operation enables to achieve calibration, with no tool required. Practical & useful--it has relative/absolute measurement, sound prompt (for 0°±1°, 30°±1°, 45°±1°, 60°±1°, 90°±1°), measurement unit switchable (%, mm/m, in/ft, °), auto-off after 5-minute no operation to prolong long battery lifetime. Backlit & convenient--screen with backlight makes it easily readable even in low light condition; also the screen can automatically flip up when the meter is put upside down, for convenience. Widely applicable--this gauge is applied in a variety of fields, such as wood cutting, tyre assembly, positioning of machine tool, etc.