Newly added power-on voltage detection function The power supply is a 9v stacked battery. If the power supply is long-term, 2 lithium batteries can be used to form an 8.4v battery pack for power supply. -T4 Graphical Multi-function Tester Resistor + Capacitor + Diode + SCR + Inductor + Transistor + MOS Tube The LCD is a 12864 LCD display with backlight, and the backlight color is generally yellow-green. Automatically detect NPN and PNP transistors, N-channel and P-channel MOSFETs, diodes (including dual diodes), thyristors, triodes, resistors and capacitors and other components,, Weight: 0.12786811196 pounds, Manufacturer: Wesafrae