Fangrui Product Details Built-in 300mah 4.2v Lithium Battery, Rechargeable. Tft 1.8-inch Color Screen Display, Graphical Display Of Various Parameters Automatically Detects Npn And Pnp Istors, N-channel And P-channel Mosfets, Igbts, Diodes (including Double Diodes), Thyristors, Istors, Resistors And Capacitors. Automatically Detects The Pinouts Of Components And Graphically Displays Them On A Color Screen. Can Detect Infrared Code (support Nec Format Infrared Remote Control) Istors, Mosfet Protection Diodes, Etc. Can Be Detected Amplification Coefficient And The Base Of The Determination Of The Forward Bias Voltage Of The Emitter Istor Depletion Type And Enhancement Type Mosfets Can Be Distinguished. Mosfets With Gate Threshold Voltage And Gate Capacitance Can Be Measured. Supports Measurement And Symbol Display Of Two Resistors With A Resolution Of 0.1 Ohm And A Maximum Measurement Value Of 50m Ohm. Voss And Esr Can Be Displayed For Capacitors Higher Than 10uf. Measures Inductance For Resistances Below 2100 Ohms And Dc Re