Full-featured and more accurate, measuring accuracy of 0.1, display resolution of 0.0, four unit switching/absolute/relative measurement/powerful magnets Four units One key to switch angle, slope, metric slope, imperial slope, long H/Units (default unit ) to switch to inclination (%) mm/m (metric slope) in/ft (imperial slope) Absolute/relative measurement mode, Angle Measurement: (Absolute Angle) power-on state, the product is placed on the of the object to be measured, the screen displays the value of the angle between the current front and the horizontal plane. Type-C lithium battery charging interface, built-in 3.7V320mAh lithium battery, USB smart charging Hazardous chemicals: none Type:Level Ruler Colour: As Shown Material:ABS style:G4 Due to different batches, there may be differences in product appearance and printed text, which not affect use Package Contents: 1 * Level Ruler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.