1. Lighting mode: Dark/DIM/bright, DIM: weak lighting for saving power when no motion Bright: motion activate for lighting when people walk near
2.Protect function: Over charging, over discharging, over current, short circuit
3. Advantage for electronic:
a) Constant voltage 4.2V charging type
b) Input current limited
c) Output current limited
d) Backflow current proof for solar cell
e) High efficiency
f) Famous brand component: MURATA, PANASONIC, ST, TOSHIBA, ETC.