12"/300MM Double Beam Digital Electronic Height Gauge Double beam. Accuracy 0.001" /0.02mm. Switchable from Inch/metric. High contrast LCD screen with fine adjustment. Carbide tipped scriber. Stainless steel precision ground. Button battery is the SR 44,1.55 V. On/Off switch. Inch/Metric 0.001" resolution. Comes with a fitted case. Shipping Weight: 10 lbs Shipping Dimension: 22x9x6 inch