Automatically identify testing modes for AC voltage /DC voltage/resistance/continuity
Non-connection AC voltage detection, and judge the strength through light and buzzer
Self-calibration when power on to ensure accuracy
LIVE firewire recognition
Display backlight
True RMS
Data hold. Low battery display

Insize 1179-600, DIGITAL RTJ RING GROOVE CALIPER, inside diameter of RTJ ring groove .4-24"/10-600mm, outside diameter of RTJ ring groove 1-24"/25-600mm, 6928640302572 