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This gadget lets you know the electrical performance of your devices and cables.Get all the data on OLED screen without any display delays.Test USB devices, cables, adapters, etc. Designed for fast, accurate and professional power tests.

Plug and play. No additional driver or adapter required.Well-crafted with powerful microprocessor and premium material.Massive compatibility. Compatible with virtually all USB devices.Built-in safeguards and smart chips prevent excessive current or overheating. Dimensions:Specifications:

• Input: DC3V~15V
• Electric Current: 0~5.1A
• Power: 0~999.99Wh
• Capacity: 0~99999mAh
• Frequency: 0.5/s

Shipped directly from the manufacturer. 100% Satisfaction GUARANTEED!