Description: This item with large and clear LCD with backlight. With absolute angle measurement, you can test whether the working surface is on the level. Measure slope angles 4 x 90 (total 360 degree) range. Features: Wide Measuring range - Measure slope angles 4 x 90 (total 360 degree) range.. Backlight - Large and clear LCD with backlight. Absolute & Relative Measurement modes - You can place the meter on a reference surface zero to measure relative angle, then it will give a result of measured slope angle. With absolute angle measurement, you can test whether the working surface is on the level. Always upright readings - Reading is always displayed upright even the protractor is upside down. Specifications: Condition: 100% Brand New Color: Sliver Resolution: 0.1 Accuracy: 0.2 Range: 4 x 90 (0 ~ 360 degree) Working current: 2000 hours Size: (L) x (W) x (H) 41.5 x 5.0 x 2.0 cm / 16.34 x 1.97 x 0.79 in (appr.) Package Included: 1 x Angle Gauge 1Wide Measuring range ? Measure slope angles 4 x 90 (total 360) range. 2Backlight ? Large and clear LCD with backlight. 3Absolute & Relative Measurement modes ? You can place the meter on a reference surface zero to measure relative angle, then it will give a result of measured slope angle. 4With absolute angle measurement, you can test whether the working surface is on the level. 5Always upright readings ? Reading is always displayed upright even the protractor is upside down.