Fangrui Product Details Bside O9 Portable Oscilloscope Adopts Fpga+mcu+adc Hardware Architecture, Dual-channel Sampling Rate Of 280ms/s, Analog Bandwidth Of 50mhz, Built-in High-voltage Protection Module, Maximum Support For Peak Voltage Measurement 400v, Is A High-performance Product Integrating The Three Functions Of Oscilloscope, Multimeter And Signal Transmitter. It Adopts A 3.98-inch 480*320px Resolution Full-view High-definition Tft Display, Built-in 5000mah Rechargeable Lithium Battery, 10 Hours Standby In Oscilloscope Mode, 24 Hours In Multimeter Mode, And High-quality Eva Handbags And Other Ultra-high Configurations. Can Be Used With A Flexible Current Clamp. It Can Test The Current Of 2000a. The Digital Multimeter Mode Is 6000 Bits, True Rms, And Supports Ac/dc Voltage, Current, Temperature, Capacitance, Resistance, Diode, Nvc, Continuity And Other Measurement Functions. Attributes Such As Automatic Shutdown, Low Battery Alarm, Etc. Built-in Dds Function Signal Generator, Which Can Output 7 Kinds Of Function Signals,