1.True RMS: The RMS/DC transform avoids the influence of voltage waveform distortion on can test high accuracy and it can self-calibrated chip 2.NCV test(V~Alert): Non-contact voltage detection function detect voltage without touching any wires to avoid . 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/, AC/DC current, resistance, diode test/continuity, NCV,True RMS, temperature,frequency/duty cycle, capacitance,Auto Power Off and data hold,backlight,etc Brand Name: Model: ZT102A Display(LCD): 6000 counts Ranging : Auto Update Rate : 3 times / second Colour:black Material:ABS+electronic components Size:18 x 10 x 5cm Package Contents: 1 x Multimeter(Without 2 AAA batteries) 1 x Temperature Probe 1 x Test leads 1 x cloth bag 1 x Instructions Only 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.