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. Large EBTN (enhanced background twisted nematic) LCD display greatly enhance the reading experience, the lighted up numbers & letters with black background very easy to read, even in bright sunlight or poor light. 4. The display was inverted automatically when the upside is down. 5. Auto 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 User Manual Only the above package content, other are not included. Note: Light 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.