1.Power Off: manual power off, no auto off, no auto-display when move 2.Remark: super large LCD Product Spec.:0-150/200/300mmDescription1.Power Off: manual power off, no auto off, no auto-display when move 2.Special: "hold" function, metric system only 3.Remark: super large LCD 4.Color: silver, black, grey, blue or made under the customer's demand DIGITAL CALIPER MODULE