This product is a portable coating thickness gauge, which can quickly and accurately measure non-metallic coating thickness on the metal surface. Mini and portable, easy to operate through several buttons, auto testing with an accurate probe.Widely used to test car paint and in detection areas likemanufacturing industry,metal processing industry, chemical industry, etc. Features: Adopts quality ABS plastic, eco-friendly, good toughness and very durable. This paint tester is designed for measuring the non-metallic coating thickness on metal surface. Easy and quick way to detect car paint, rapid acquisition and accurately measure the coating thickness. Energy-saving, this tester will automatically shut down when there is no measurement in 2 minutes. Widely applied to mechanical equipment evaluation, car paint detection and manufacturing industry, metal processing industry, etc. Specification: Condition: 100% Brand New Material: ABS Color: Blue, White, Yellow(optional) Power Supply: 2 * AAA Batteries(not included) Measuring Range: 0~1.80mm/0~71.0 mil nonmetal coating. Minimum base diameter: 50mm Critical base thickness: 0.5mm Accuracy: +/- 1 mm Display Resolution: 0.01mm / 1mil Working Temperature: 0~40°C Operation Humidity: 10~95%RH Size: approx. 10.5*6*3cm/4.13*2.36*1.18in Weight: approx. 82g/2.89oz Package List: 1 * Coating Thickness Gauge(Battery Not Included) Note: 1. Please allow 1-3cm error due to manual measurement, thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object, please take the real one as standard.