Portable LCD USB Mobile Power Charger Voltage Current Detector Tester Monitor Black. New LCD USB Mini Voltage and Current Detector USB Charger Tester Meter Black. USB Charger Doctor Power Current Voltage Meters Tester Current&Voltage Detector Black. USB LCD DIGITAL CURRENT DETECTOR MOBILE POWER CHARGER TESTER METER Black. Features: Adopt intelligent USB IC texting technology, quickly show the charging status It can test current and voltage of phone, mobile power bank etc. With USB interface, convenient to test devices With LCD screen, easy to see the current and voltage of the devices Press the small circle button and the data will be zero, then you can test next data Parameters: 1. Input Voltage: 3 - 7V 2. Input Current: 50mA - 3500mA 3. Capacity: 0 - 19999mAh 4. LCD show voltage and current simultaneously 5. Save data each time power off 6. High precise current calibration function 7. High and low voltage alarm Model: KCX - 45 Design: Professional Feature: Portable Function: Text Current and Voltage Interface: USB 2.0 Product Weight: 0.023 kg Package Weight: 0.07 kg Package Contents: 1 x Current Voltage Meter