1. With large screen display, the data display is clear and accurate, and the maximum display value is 1999. 2. The test leads adopt the compact soft rubber protective cover, insulation and non-slip. 3. It is a tool with superior performance, and an ideal tool for laboratories, factories, radio enthusiasts and families. 4. Automatic recovery overload protection circuit design, safe and durable. 5. It can measure AC / DC voltage, DC current, resistance, transistor, very suitable for solving automotive and household appliances problems.