The Moore & Wright Water Resistant Series Digital Caliper are fitted with a patented ceramic capacitive sensor and a large LCD display that offers 4 way measurement (mm/inch, absolute/incremental measurement). They can be zeroed at any point on the scale and is fitted with a conveniently located on/off switch. The calipers are manufactured to DIN 862 standards and water and dust resistant to IP54 specifications. Supplied with a CR2032 battery. Specification Range: 0-150mm (0-6in).Resolution: 0.01mm (0.005in).Jaws: 40mm.