Facilitate the measurement of the inside diameter of a deeper hole. WatWaterproof, oil proof, protection Level IP67

1·Waterproof, oil proof, anti-electromagnetic interference, antistatic, protection Level IP67 (CEI 60529) 

2·Two-button design, menu prompt, simple, convenient and easy to operate 

3·Manual / automatic power switch ,automatic shutdown after 5 minutes without being used(Note Some models will automatically reboot at a 16-hour shutdown when the slider is moved. )

4·Low-voltage alarm, high and low temperature, and other error alarm .

5·Infinite response speed, no speed error.

6·ABS / INC mode and metric / inch units conversion

7·With data presetting function8

8·With data output

9·Battery    3V lithium battery (CR2032)

10·Battery life   Approx. 2000 hours