1) USB-output
2) Temperature setting up button
3) Temperature setting down button
4) Indication left or right part: L=the large compartment R=the small compartment
5) Indication on / off
6) Indication max / eco mode
7) Battery protection indicates the selected battery protection mode (high,
medium or low)
8) Current temperature
9) Battery level
10) Settings button
11) Power on / off button
5