USB Charger Doctor Voltage Current Meter Mobile Battery Tester Power Detector

Features: Display data: Voltage Current Capacity Time 1: Input 2: RTZ, Reset button , press it three seconds will Reset 3: Out 4: Voltage:3V-9V ( 1% accuracy ) 5: Current:0-3 A ( 1% accuracy ) 6: Battery Capacity(0-99999mah) 7: Working time (0-99Hour) 8: The working time and Capacity have Memory function when power off

Package Content: 1 x USB Charger Detector with Case