Feature: 1. The display is 128*64 LCD with backlight in yellow-green color. 2. Powered by 9V layer-built battery. 2 li-ion batteries combined can form a 8.4V battery pack for long time power. 3. Automatically detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, triodes, resistors, capacitors or other devices. 4. Automatically test the pins of a component and display on the LCD. 5. The display is 128*64 LCD with backlight in yellow-green color.Measure bipolar transistor current amplification factor and base-emitter threshold voltage. 6. Automatically test the pins of a component and display on the LCD. Measure the gate threshold voltage and gate capacitance of the MOSFET. 7. Powered by 9V layer-built battery. 2 li-ion batteries combined can form a 8.4V battery pack for long time power. New function of boot voltage detection. 8. One-button operation, automatic shutdown to avoid unnecessary waste. Short detection time: only 2 seconds. It is normal to cost 1 minute for bulk capacitor detection. 9. Short detection time: only 2 seconds. It is normal to cost 1 minute for bulk capacitor detection. 10. Measure the gate threshold voltage and gate capacitance of the MOSFET. 11. Measure bipolar transistor current amplification factor and base-emitter threshold voltage. 12. The display is 128*64 LCD with backlight in yellow-green color.New function of boot voltage detection. 13. Automatically detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, triodes, resistors, capacitors or other devices.Automatically test the pins of a component and display on the LCD. 14. Measure the gate threshold voltage and gate capacitance of the MOSFET.Measure bipolar transistor current amplification factor and base-emitter threshold voltage. 15. One-button operation, automatic shutdown to avoid unnecessary waste.Short detection time: only 2 seconds. It is normal to cost 1 minute for bulk capacitor detection. Specification: Multi-functional transistor tester for automatic detection of NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, triodes, resistors, capacitors or other devices. Easy and convenient to operate. Features: The display is 128*64 LCD with backlight in yellow-green color. Powered by 9V layer-built battery. 2 li-ion batteries combined can form a 8.4V battery pack for long time power. New function of boot voltage detection. Automatically detect NPN and PNP transistors, N-channel and P-channel MOSFET, diodes, triodes, resistors, capacitors or other devices. Automatically test the pins of a component and display on the LCD. Measure the gate threshold voltage and gate capacitance of the MOSFET. Measure bipolar transistor current amplification factor and base-emitter threshold voltage. One-button operation, automatic shutdown to avoid unnecessary waste. Short detection time: only 2 seconds. It is normal to cost 1 minute for bulk capacitor detection. Note: Please make sure that capacitors are discharged before testing. The disassembled transistor tester in the picture is just for reference, please don't disassemble. The pictures of testing process are also for reference, please in kind prevail! Specifications: Type: Tester ONLY / Tester with Case (Optional) Material: PCB Display: 128 * 64 LCD Normal Testing Speed: 2 seconds Shutdown Current: 20nA Tester Size: 6.5 * 6.5 * 1.3cm / 2.6 * 2.6 * 0.5in Case Size: 9.8 * 8.3 * 2.4cm / 3.86 * 3.3 * 0.94in Item Weight: 44-137g / 1.6-4.83oz Package Size: 10 * 8 * 2cm / 3.9 * 3.2 * 0.8in(No Case); 12 * 9 * 3cm / 4.72 * 3.54 * 1.18in Package Weight: 47-147g / 1.7-5.2oz Package List: 1 * Transistor Tester (battery not included) Package List: 1 * Transistor Tester (battery not included)