Automatic pinot detection and identification, connect any way round. Automatic part type identification. Supports semiconductors including transistors, MOSFETs, diodes, LEDs, JFETs and much more. Detection of special component features such as transistors with diodes or transistors with built-in resistors. Transistor gain measurement. Transistor leakage measurement. MOSFET gate threshold measurement. Semiconductor voltage drop measurement. Supplied with gold plated red/green/blue universal hook probes on 160 mm flexible leads. Clear backlit display. Powered by single alkaline AAA cell (included.