0-6″ Absolute Origin IP54 Depth Digital Caliper w/ interchangeable pins (Dims: 0.0585″). Absolute encoding technology. Data output port (USB/SPC kit optional). ISO 9001 Certified manufacture. IP54: water drop and dust resistance. Premium quality by iGaging. Always memorize origin zero. Stainless steel frame. Ultra-Response measure speed. Resolution: .0005″/0.01mm. Protective case. Battery: 3V CR2032.