Dasqua 0-300mm/0-12″ Bluetooth Absolute Digital Caliper ~ Built in Bluetooth. ~ Measuring range is 0-300mm/0-12″. ~ Reading is 0.01mm/0.0005″. ~ Accuracy is 0.03mm/0.0015″. ~ Absolute function. ~ Strictly made in accordance with DIN862. ~ IP54 protection against water, oil, dust or any other liquid. ~ Hardened stainless steel body for long life. ~ Silky smooth movement throughout. ~ Wireless bluetooth transmitter.