Guanglu IP66 waterproof digital calipers with independent intellectual property rights of new inductive sensors and measurement systems. 
 Dust / Water protection grade IP66 protection standard. In the workshop environment, exposed to coolant, water, dust or oil. Easy to use, wipe clean and do not need a ruler. With power switch, 20min delay shutdown. With fine-tuning device. Arc-shaped inner surface for accurate measurements within the measurement. 
 Function: any position zero, the relative ease of measurement. Metric and imperial conversion anywhere. Anywhere in the absolute and relative measurement conversion 
 Can be used for metal \ electronic \ tooling \ plastic \ led and some product size measurement, portable and easy to use