0A-3A 3.5V-7V USB Charger Voltage Current Meter Mobile Tester Amper Voltmeter Power Detector
Description
Features: * Really easy to use and practical. * No need additional power supply, just plug and play. * Showing Voltage for 5-6s, then Current for 5-6s, voltage ...current .. * It can measure the out put voltage of the USB port and the device operating current. * Working with all USB chargers. * Easy to find bad USB cables. * Current flow is very low(0.3-0.5A) and the voltage is 5.1V stable * Just note, some USB ports are limited to 0.5A, then the voltage drop to 4.7-4.88V (Laptop USBs mostly). Specification: Color: Blue (As the picture shown) Material: Plastic Voltage: 3.5V-7.0V error 0.1V (From manufacture data) Current: 0A-3A error 0.01A (From manufacture data) Weight: 25g Package includes: 1 x USB Tester Details pictures:
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