Ultra-light and durable aluminum alloy shell. Portable size, convenient to cooperate with other measuring tools, and expand the measuring range. Changing of relative/absolute measurement in any position. Built-in magnet on bottom surface, convenient to be attached to object measuring piece. Digital inclinometer, electronic protractor , Digital Bevel Box, Angle Gauge, Angle Meter Product This is a handy digital inclinometer. It has a large LCD screen to display data. The bottom measuring surface with built-in magnets brings you great convenience, allowing you to attach the cube to any steel object. Portable and lightweight. Ideal for precision angle measurements. Features: Material: Aluminum alloy. Power source: 2 AAA batteries Measuring range: 4 x 90. Operating temperature: 0~40. Accuracy: 0.2. Resolution: 0.05 Repeatability: 0.1. Contents: 1 digital inclinometer. 1 manual d use (English language not guaranteed)