This product is a digital inst ent with a handheld ultra-thin oscilloscope and multimeter combination function. It has a beautiful exterior design, a compact body, and is easy to carry. The screen uses a 3.2-inch TFT color screen, and menu interface is clear and intuitive. One click intelligent horizontal and vertical screen display mode switching: using silicone buttons, the operation is simple and flexible, and oscilloscope and multimeter functions can be switched with one click; The oscilloscope and multimeter of this product use a shared input field for measurement, which means that waveform can be measured by inputting probe without need for an oscilloscope probe. Due to same ground potential between oscilloscope input port and charging port, charging and measurement cannot be used simultaneously. Therefore, an anti misoperation switch is installed at port, which needs to be turned when measuring or charging. Attention: If there is a lag or crash during use, please restart. Colour:Black Material:ABS Package Contents: 1 * Oscilloscope Multimeter Only above package content, other products are not included. Note: Light reflection and different displays may cause color of item in picture a little different from real thing. The measurement allowed error is +/- 1-3cm.