Built-in high-capacity rechargeable lithium battery (1500mAh), standby time 4 hours; Small and light, suitable for mobile use. Product Description:DSO-TC4 is a multifunctional transistor oscilloscope launched by FNIRSI, which is comprehensive and practical, and is designed for the maintenance and R&D industries. It integrates an oscilloscope, a signal generator, and a transistor DSO-TC4 is a multifunctional transistor oscilloscope which is comprehensive and practical, and is designed for the maintenance and R&D industries. DSO-TC4 Portable Oscilloscope DSO-TC4 3-in-1 Digital Oscilloscope 10MHz 48Ms/s Portable Oscilloscope FNIRSI DSO-TC4 3-IN-1 Digital Oscilloscope Transistor Tester - Buy DSO-TC4 Transistor Tester Portable design:Equipped with a 2., 8-inch TFT color screen, the picture is clear and intuitive FNIRSI DSO-TC4 3in1 Digital Oscilloscope Transistor Tester Signal Generator 10MHz 48Ms/s Automative Ocsillscope LCR Tester Tools 4.8 32 Reviews ౹ 162 sold Certified brands & committed genuine items Color: DSO-TC4 Customer Reviews (32) Specifications Description Store More to love Transistor function:High efficiency: Automatically identify the type and pin arrangement of the tested component, simplify the operation process, and improve test efficiency. It integrates an oscilloscope, a signal generator, and a transistor.