Features: Main Function: Digital coating thickness gauge is designed for measuring the non-metallic coating thickness on metal surface. Ease Of Use: Easy and quick to detect car paint thickness; rapid acquisition and accurately measure the coating thickness (Batteries not included). Automatically Shut-down: Energy-saving, this tester will automatically shut down when there is no measurement in 1 minutes. Wide Application: Widely applied to mechanical equipment evaluation, car paint detection and manufacturing industry, metal processing industry, etc. It is compact portable, user friendly and easy to carry. It can measure any metal, and it comes with instructions in English and Russian. Specifications: Color: White,Orange,Blue Material: Plastic Precision measurement: 2% RDG 0.02mm [2% RDG 1mil (steel and aluminum only)] Power: 2xAAA(not included) Working current: