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

3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169
3M 45013, Diamond Grade DG3 Reflective Digital Sheeting 4090UDS, White, 36 in x 50 yd, 1 Roll/Case, 7100282747 