Features: Quick detection of metallic putty Automatic identify non-metal car bodies, ferrous putty layers, and galvanized iron Dual display design for real-time viewing of test data from different angles Fast response time High-quality Ruby probe with advanced digital probe technology Switchable thickness measurement unit (μm / mil) Zero adjustment and no calibration is needed Single button operation Real-time quick measurement Wear-proof ruby probe tip for long-term use Three measurement mode settings: Ferrous substrate measurement (Fe), Aluminum substrate measurement (Al), and Auto identification (Fe/Al) Can measure the non-magnetic coating thickness on metal substrates and non-conductive coating thickness on non-magnetic metal substrates. Non-slip groove design for relaxed time grip A different color backlight according to the measured thickness: White backlight: The measured paint thickness is between 30~170μm; Yellow backlight: The measured paint thickness is between 170~350μm or 350μm. Stored up to 9 sets of historical data Equipped with built-in Bluetooth communication, which can be connected to the gauge through the mobile app Specifications: Dual Display: Front: 128 x 48 dot matrix LCD Top: 128 x 64 dot matrix OLED Probe tip: Ruby Probe type: Built-in integrated probe Measuring principle: Fe: Hall Effect NFe: Eddy current Measuring range: 0.0~3500μm Resolution: 0.1μm: (0μm - 99.9μm) 1μm: (100μm - 999μm) 0.01mm: (1.00mm - 3.00mm) Accuracy: ≤±(3%H+2μm), H is the standard value Measuring sampling interval: 0.5s Minimum measuring area: Ø = 25mm Minimum curvature: Convex: 5mm Concave: 25mm Minimum substrate thickness: Fe: 0.2mm NFe: 0.05mm Power supply: 2 x 1.5V AAA Alkaline battery Operating Temperature: -40~50℃ Storage Temperature: -50℃-60℃ Dimension: 100 x 60 x 24mm Weight: approx. 80gms including battery Set Includes: 1 x Coating Thickness Gauge 1 x Fe Zero-adjustment Plate 1 x NFe Zero-adjustment Plate 1 x Standard film 1 x Lanyard 2 x 1.5V AAA Alkaline battery English Instruction Manual Carrying Pouch