1. Small and Light Makes it Convenient to Carry. 2. Powerful built-in magnets on the base secures the attachment to any iron surface. 3. EBTN (enhanced background nematic) LCD display greatly enhance the reading experience, the up numbers & letters with black background easy to read, even in bright sunlight or poor light. 4. The display inverted automatically when the upside is down. 5. power off after 3 minutes of no operation. ccuracy: +/- 0.1 degrees at 0 and 90 degrees and +/-0.2 degrees the remainder Resolution: 0.05 degree Waterproof: IP54 Colour:black Material:ABS+electronic components Size:61 x 61 x 31mm Package Contents: 1 x Digital Level Box 2 x AAA battery 1 x Carry Bag 1 x Manual Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.