1.Multi-function USB
2.Click the button once to view the W, Wh, ohm, while long pressing the button for 5 seconds to delete sync and stored Wh data, and click the button to enter the digital delay setting, however, once again press 30 minutes of each longer by pressing for 5 seconds to save the set.
3.Digital screen
4.Portable Mini Size
5.USB ports
6.Size: 64x31x14mm
7.Cable length: 148mm
