Features:100% brand new and high quality!It is Assembled,The use of SCM ATMEAG328P DIP-28.With IC Block,The display unit using a 160x128 pixel color display, full-screen characters 8x20, 16-bit color depth, graphic display element symbols.Rotary switch control, a key measurement, automatic shutdown.Use 9V laminated battery, can also use the power adapter(DC 6.8-12V), the whole current of about 30mA, after about 20nA shutdown current.Automatically detects NPN and PNP transistors, FET, diodes, dual diode, thyristor, SCR, automatic identification of the transistor pinout.Specifications:Display: 160*128 LCDPower Supply: 1 * 9V Battery(not included); DC 6.8-12V  Current: Approx. 30mAResistance Measurement: Max. 50MΩResistance Resolution: 0.01ΩCapacitance Measurement: 25pF~100mFCapacitance Resolution: 1pFDC Voltage Measurement: Up to 50VScreen Size: 3.7 * 3cm / 1.45 * 1.18inPCB Size: 7.8 * 6.2cm / 3.1 * 2.44inProduct Weight: 66g / 2.3oz.Notice:Before measuring capacitance, the capacitor must be discharged, otherwise very likely damage the meter.Package included: 1 x GM328A Transistor Tester NO Retail Box. Packed Safely in Bubble Bag.