USB J7-C Digital Color Screen LCD Display Energy Tester.  Multiple interfaces (USB input/output, Type-C input/output and Micro USB input) Used to detects the charging status and process of your USB-enabled or type c-enabled devices

Voltage/Current Range: 3.6V - 32V / 0-5. 1A

Support QC2.0, compatible QC3.0, BC1.2, Apple voltage range

*New, never used.  Powers on when plugged into USB