Feature: 1. The color screen display and a variety of backlight colors, can be clearly read. 2. 2 measuring methods: single measurement & continuous measurement, 3 calibration modes: basic setting, offset, zero calibration. 3. 1500 data storage, 100 independent arrays, each group can store 15 data for easy reviewing and data analysis at any time. 4. Fully automatic foura??way rotating screen can be easily read in any position, convenient and practical. 5. It is a portable thickness tester with high resolution display. It is a good helper for detecting seconda??hand cars to identify accidental car. Specification: 1. Material: ABS 2. Measuring range: 0-1800um/0-70.9mil 3. Resolution: (0.1um( Less than 100um), 1um(Greater than or equal 100um) 0.1mil/0.001mm 4. Measurement error: Less than or equal 150um, +/-5um, Greater than 150um, +/-(3%+1um) 5. Diameter of Magnetic Metal Substrate: Greater than or equal 12mm/0.47in 6. Thickness of Magnetic Metal Substrate: Greater than or equal 0.5mm/0.02in 7. Curvature Radius of Magnetic Convex Substrate: Greater than or equal 2mm/0.08in 8. Curvature Radius of Magnetic Concave Substrate: Greater than or equal 11mm/0.43in 9. Power Supply: 2400mAh NiMH battery (not included) or USB charging Package List: 1. Coating Thickness Gauge(Battery Not Included) x 1 2. USB Cable x 1 3. Power Adapter x 1 4. Iron Base x 1 5. Storage Plastic Bag x 1 6. Cotton Pad x 2 7. Calibration Sheet x 6Specification: General Model GT2100 Material ABS Input Voltage DC 5.0V Resolution 0.1um(Less than 100um), 1um(Greater than or equal 100um) 0.1mil/0.001mm Measure Range 0-1800um/0-70.9mil Basic Error Less than or equal 150um, +/-5um Package Weight One Package Weight 0.75kgs / 1.65lb One Package Size 28cm * 21cm * 7cm / 11.02inch * 8.27inch * 2.76inch Qty per Carton 10 Carton Weight 8.20kgs / 18.08lb Carton Size 44cm * 30cm * 35cm / 17.32inch * 11.81inch * 13.78inch Loading Container 20GP: 577 cartons * 10 pcs = 5770 pcs 40HQ: 1339 cartons * 10 pcs = 13390 pcs