Features:  Portable Size: This inclinometer has small size and very easy to carry, you can put it into your bags to carry.  Two Measuring Modes: There are absolute measuring mode and relative measuring mode for you to change according to your needs. At the relative measuring mode, it allows you to set 0 at any slope as reference surface, and to measure the relative angle based on this slope.  Magnetics Design: The bottom size of this inclinometer is magnetics, and this design allows it to be firmly attached to the surface of the product and not easy to slide.  Data Hold&Auto Power Off: The product will automatic power off  if you do not operate it within 3 minutes.  Wide Applications: This tool can be widely applied in wood processing industry, espacially in furniture manufacturing industry for the accurate cutting of wood angle, auto repairs industry for the accurate control of tire angle, machining industry for the accurate position of tool working angle as well as the rotation angle of large vehicle arm and so on.    Specifications:  Material: ABS  Measuring ranges: 4*90°  Resolution: 0.05°  Accuracy: ±0.2°  Repeatability: 0.1°  Power: 2 * AAA batteries (NOT INCLUDED)  Working temperature: -10℃~50℃  Working humidity: ≤85%  Item size: 56 * 54 * 26mm / 2.2 * 2.1 * 1.0in  Item weight: 63g / 2.2ounce  Package size: 80 * 60 * 37mm / 3.1 * 2.4 * 1.5in  Package weight: 74g / 2.6ounce    Packing list:  1 * Inclinometer  1 * User Manual