Dual Digital USB Charger Tester 3-9V 0-5A Current Voltage Battery Voltmeter Ammeter Mobile Power Detector DIY Electric Supplies

Products Description Product Selling Points: 1.100% brand new and high quality product. 2.Made of high quality material, durable and practical. 3.Display voltage and current data at the same time, easy to view. 4.Can detect many kinds of power output voltage and current. 5. Can detect USB cable quality 6. With precision current calibration function, higher current accuracy. 7. Wide range of applications. Product parameters: Voltage: 3-8V Current: 0-3A Working temperature: -40