1.True : The /DC transform avoids the influence of voltage waveform distortion on can test high accuracy and it can self-calibrated chip2.NCV test(V~Alert): Non-contact voltage detection function make it detect voltage without touching any wires to avoid electric shock.3.With temperature measurement function that can be used for HVAC system inspection(Celsius/Fahrenheit).4.Automatic screen backlight, users can work in a dark environment.5.Advantages:AC/DC voltage, AC/DC current, , diode test/continuity, NCV,True , temperature,frequency/duty cycle, capacitance,Auto Off and data hold,backlight,etcBrand Name:Model: ZT102ADisplay(LCD): 6000 countsRanging : AutoUpdate Rate : 3 times / secondColour:blackMaterial:ABS+electronic componentsSize:18 x 10 x 5cmPackage Contents:1 x Multimeter(Without 2 AAA batteries)1 x Temperature Probe1 x Test leads1 x cloth bag1 x InstructionsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.