Features: Experience comprehensive power monitoring with the USB Meter Tester, capable of displaying real time current, voltages, power, and charging capacity, supporting up to 195W fast charging for wide ranges of devices. This tester features a high brightness display for clear data visibility in various lighting conditions, compactly design for portability, and robusts safety protections including overcurrent, overvoltage, and short circuits safeguards. Ideal for enthusiasts, professionals, and everyday users who need to monitors and optimizes their device charging processes, ensuring efficient power management across smartphones, tablets,laptop. Perfect for use at homes, in office, or on travel, this USB power meter is for convenience and reliability, making it essential tool for travel and daily device maintenance. Builts from durability ABS, the USB Multimeter not only withstands wear and tear but also offers a data recording function, storing charge data for analysis, making it a valuable asset for evaluating charging efficiency and device power needs. Specifications: Component:ABS Size:Approx.6x2.6x1.3cm/2.36x1.02x0.51inch Option Color:White,Black; Model:KWS-V30 Voltages:DC4-30V Current:0-6.5A Power:0-195W Package Includes: 1pc USB Meter note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.