Features: Built-in Magnetic: 8mm magnetic built in the bases, which can absorb on the metal surface for multiangular measurement. Auto-off: 5 minutes auto power, power saving. LCD Screen: 1.5" screen displays data clearly. Locking Screw: for holding measurement and repeat setting Measuring Rod: for bore and slot measurement. Apply to: setting height of saw blade, router bit, band saw etc. Specifications: Material: ABS Accuracy: ±0.1mm / ±0.002in Resolution: 0.05mm / 0.002in Measuring Range: Scale: 0~80mm(0~3in), Needle: 0~50mm(0~2in) Working Temperature: 0~50 / 32~122 Working Humidity: ≤85% Power Supply: 1 * 3V CR2032 button battery (NOT included) LCD Size: 36 * 14mm / 1.42 * 0.55in Item Size: 143 * 110 * 23mm / 5.63 * 4.33 * 0.91in Item Weight: 87g / 3.09oz Package Weight: 151g / 5.35oz Package Size: 18.4 * 13.5 * 3.5cm / 7.24 * 5.31 * 1.38in Package List: 1 * Depth Gauge 1 * Manual (English)