[Large LCD Screen] The large LCD screen enhances the reading experience, making it easy to read even in bright sunlight or low light conditions. Bright display stays on as long as you use it, improving visibility and usability [Multifunctional] This digital inclinometer has auto power off and auto hold functions, measures absolute and relative angles . [With magnetic base] Provides low battery warning and the magnetic base is used to fix the goniometer on an iron surface. And the digital protractor box is upside down is very convenient to use. [Durable material] The digital protractor is made of high quality ABS and aluminum frame, solid and durable, small and light, easy to carry and use. [Widely Application] It is easy to measure the distance and oblique angle of helicopters, and is widely used in woodworking, construction, machinery, telecommunications, automobiles, etc.