Description: ON/OFF button to shut down the Indicator,also can choose auto power off mode. IP54 Waterproof and dustproof. Durable and practical. Portable,very convenient to carry out. Can switch between mm and inch. Specification: Material: Plastic, Alloy Color: As Pictures Shown Battery:3V button cell battery (Not Included) Waterproof?IP54 Measurement range:0-12.7mm Accuracy: 0.01mm Working temperature:0~40? Size: Approx. 116x 57mm/ 4.57x 2.24inch Package Includes: 1 Piece Digital Dial Indicator Note: The color may have different as the difference display, pls understand. Please allow 1-3mm error due to hand test