【中文】充电大屏型数显卡尺，具备公英制与分数转换、开关键及清零功能，塑料罩壳配4CR13不锈钢尺身。可测内径、外径、台阶与深度，支持滑动自启，手动开关机，采用充电式3.7V锂电池供电，适用于连续精密尺寸测量。
【English】A rechargeable large-screen digital caliper offering inch/millimetre and fraction conversion, ON/OFF and ZERO functions. It features a plastic shell with a 4CR13 stainless steel ruler body, measuring inside and outside diameters, steps and depths. It powers on automatically when the slider moves, supports manual ON/OFF, and is powered by a rechargeable 3.7V lithium battery.
