Wireless USB Voltage Meter w/ Digital Display (USBTESTER-2PK)

A "must have" for anyone having trouble with charging cords, power supplies, or phone and tablet batteries. This mini USB gadget helps troubleshoot your small electronic device issues, especially cheap, long USB cords. The USB diagnostic power meter has two USB ports for charging and data sync, dual, bright LED display for showing real-time current and voltage simultaneously. Great adapter monitor for iPhone iPad Galaxy Smartphone etc.

The volt/current meter is tremendously accurate and helpful to monitor input and output volts as well as amps and is simple to hook up and use. USBtester shows the most appropriate voltage & amperage automatically and can connect 2 devices simultaneously with its 2 outlets. Applicable for Solar Panel Power Bank, Charger, Wall Adapter, Electronic DIY Kit, rechargeable cell phone and Other USB Devices.

Key Features:

• Small size, no power, and other ancillary equipment, plug and play also detect USB charger output voltage. It can easily measure the operating current of the output voltage of the USB port and equipment.
• The current and voltage cycle , easy to use and practical. Current is standard for factories, laboratory and users.
• USB powered devices can be used to measure air , voltage loads , USB terminal equipment working voltage and current .
• High temperature can be used for measuring USB powered or power consumption of the interface , mobile phone charger , U disk and other products.