Thiết bị đo dòng điện có cổng sạc USB

USB Tester Digital Voltmeter Current Voltage Charger Capacity Detector Indicator Description: Features: 100% brand new and high quality It can be very easy to find digital device charging problem. Compact and easy to carry, no additional power supply, plug and play. It can easily measure the output voltage of the USB port and the device operating current or load voltage. Detect any USB charger such as PC USB, home charger, car charger. Suitable for factories, laboratories and personal product. Specification: Internal resistance: 0-999.99Ω Power: 0-150W Voltage: DC4-30V Current: 0-5A Counting time: 0-99 hours Delay time: 0-24 hours Test content: USB voltage, current, power, capacity, electric quantity, timing and etc. Electric quantity: 0-999.9WH Material:Plastic Dimensions: 75x25x13mm/2.95x0.98x0.51’’(approx) Color: White Quantity: 1 pc Note: Transition: 1cm=10mm=0.39inch With retail package. Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 x Digital USB Tester(other accessories demo in the picture is not included.)