Features 【8MHz Micro-Controller for High Accuracy】: This MK-168 transistor tester uses an 8MHz external crystal for precise measurements, ensuring better accuracy when testing transistors, MOSFETs, diodes, and more. 【Auto-Detect NPN/PNP Transistors & MOSFETs】: Capacitance tester automatically identifies NPN/PNP transistors, N-channel/P-channel MOSFETs, JFETs, diodes, thyristors, and other components, making it a versatile tool for electronics testing. 【One-Button & Auto-Shutdown】: Featuring one-button and an auto-shutdown function with only 20nA shutdown current, this transistor tester is energy-efficient and user-friendly. 【Fast Testing in 2 Seconds】: SMD adapter tester most tests take just 2 seconds, with only large capacitors and inductors requiring slightly longer, ensuring quick and efficient measurements. 【Diode Forward Voltage Display】: Auto-Detect transistor tester accurately displays the forward voltage of diodes and identifies dual diodes in the correct order, making it ideal for detailed electronic diagnostics. 1. Micro-controller using 8MHz external crystal, better measurement accuracy 2. Automatically detect NPN, PNP bipolar transistors, N-channel and P-channel MOS FET, JFET, diodes, dual diode, thyristor small power unidirectional and bidirectional thyristor 3. One button , automatic shutdown with only 20nA shutdown current 4. Each test takes about two seconds, with only large capacitors and inductance measurements taking longer 5. Can be in correct order and the diode symbol display two diodes, and gives the diode forward voltage Spec: Features: Micro-controller using 8MHz external crystal, better measurement accuracy. Automatically detect NPN, PNP bipolar transistors, N-channel and P-channel MOS FET, JFET, diodes, dual diode, thyristor small power unidirectional and bidirectional thyristor. One button , automatic shutdown with only 20nA shutdown current. Each test takes about two seconds, with only large capacitors and inductance measurements taking longer. Can be in correct order and the diode symbol display two diodes, and gives the diode forward voltage. Specifications: Shutdown Current: 20nA Measurement: . 50MΩ Resolution: 0.1Ω Capacitance Measurement: 30pF~100mF Capacitance Resolution: 1pF Inductance Measurement: 0.01mH-20H Color: Grey Size: Approx. 123 x 80 x 33mm / 4.84 x 3.15 x 1.3in Weight: Approx. 198g Package Included: 1 x MK-168 Transistor Tester 1 x SMD Adapter Test 3 x Test Clips (Red, Green, Yellow) Notice: Before measuring capacitance, the capacitor must be discharged, otherwise very likely damage the meter. Package List