Features • Direct Read Functionality: Easily view voltage and current parameters by simply connecting the USB male to the charger and the female to your device • Convenient Capacity Check: Input up to 9 groups of charging equipment to verify if the charging capacity is accurately marked • Power Off Storage Feature: Automatically stores capacity and energy data during power outages, ensuring accurate measurement when needed • Versatile Testing Capability: Effectively tests high current data across various devices, making it suitable for a wide range of applications • Enhanced Performance: Upgraded features provide improved functionality to meet the diverse needs of all users Features: 1、PACKAGE: 1 mini digital blue LED voltage tester, automatic movement, bright and clear, convenient for you to view the measurement results. 2、NO NEED FOR EXTERNAL POWER SUPPLY: No external power supply is required, and the measured voltage can be used directly as the power supply. 3、CONVENIENT WIRING: 2 wire design, convenient wiring, with reverse connection protection. The measurement range is AC 70V？500V. 4、WIRING: The red wire is connected to the positive pole, and the black wire is connected to the negative pole. 5、FEATURES: Good stability, high measurement accuracy, convenient reading, easy to install and use Specification: Item Type: AC Voltage and Current Digital Display Meter Material: ABS Model: AT-5035-A/V Voltage Measurement Range: 50-500V Current Measurement Range: 1-80A Display: LED Digital Tube Working Environment: -20℃~40℃, Humidity ≤80% Purpose: Measure Voltage and Current Package List: 1 x Header 1 x Wiring 1 x Wire with Magnet Package List 1 x Header 1 x Wiring 1 x Wire with Magnet