Dual Display USB Detector Voltmeter Ammeter Voltage Current Meter Battery Capacity Tester Multifunctional Capacity USB Charger Current Power Electrical Tester (Single Color)

【PRODUCT SPECIFICATION】 : Power Supply Voltage :3 . 2 15V .Test Current :0 3A ,Up to 10A Current .USB Extension Cable :≥120mm .Measurement Accuracy :0 . 1% +/ 3 Digit 【WIDE APPLICATION】 : This USB detector can most mobile phones ,mobile power supplies ,tablet computers and other USB devices ,as well as two mobile phones at the same time 【PRODUCT FEATURES】 : Built in smart recognition chip can automatically select the most suitable and safe charging current for your mobile phone and tablet 【MULTI FUNCTION】 : With data communication function and charging output voltage function ,the performance is stable ,safe and reliable ,and can be used at ease 【EXCELLENT PERFORMANCE】 : This voltmeter is made of high quality materials ,it is durable ,wear resistant ,corrosion resistant and can be used for a long time .Small size ,can display USB charging or discharging voltage and current at the same time and on the same screen ,alternately or single display capacity and power