KAA zone needs to be opened manually, which reduces the damage of the instrument. Optimize some parameters. Built-in 300MAH 4.2V lithium battery, rechargeable. Functions than the previous version, increased the shutdown time countdown display 2024 New Transistor Tester TFT 1.8-inch color screen display, graphical display of various parameters Automatically detects NPN and PNP transistors, N-channel and P-channel MOSFETs, IGBTs, diodes (including double diodes), thyristors, transistors, resistors and capacitors. Automatically detects the pinouts of components and graphically displays them on a color screen., Weight: 0.21935995069 pounds, Manufacturer: Kueohse