Description:  Multifunctional USB Safety Tester Current Voltage Detector Meter Battery Tester  Specification:   Voltage: input \/ output: 4.5-7.4V Voltage resolution: 0.01V Current: input \/ output: 0-5.1A Current resolution: 0.01A Power accumulation range: 0-999.99Wh Capacity accumulation range: 0-99999mAH Body power consumption: !#!amp!*!lt; 20mW Consumption current: !#!amp!*!lt; 0.02A   Package included:   1 x USB tester Current Voltage Detector  Details pictures: