Monitor your USB device's power draw with the TVA3006 tester from Sequre. This small device can measure current and voltage draw from most USB devices. Package Includes: 1x USB Tester Features: It supports test voltage from DC4.5V to DC30V, and the current is from 0A to 15A. Detects bidirectional current. Supports USB-A & Type-C interface. Monitors the voltage, current, power, work timekeeping, current direction, capacitance, and quantity of electricity in real-time. Features with data statistics: the statistics interface will show the maximum/minimum/average value of voltage, current, and power. Adopts HD color screen display, the display direction of screen is adjustable. Equipped with a multi-functional UI design interface, the tester supports firmware upgrades. Suitable for monitoring the voltage, current, and power of power supply devices. Info: