Which image do you mean?
love this light, use it nightly on the low mode. Great light, great price!
The cell protection circuit is done by “classic” DW01-P IC (U4 in SOT23-6 case near micro USB connector) and dual MOSFET 8205A (U8 in TSSOP-8). The U2 seems to be an USB charging logic for battery, but I cannot found the datasheet.
Logic for driving the LED diodes is U3; microcontroller, which driving buck-smps in CC mode. So bad it’s some of unknown Chinese uC, beacuse I wanted to re-write SW to remove red strobo function and add more white LED current modes.
Just received mine from Banggood Great little light, well built. firs thing i’m going to do with mine is swap out the cool white SMD LEDs with some 4000K or 3500K higher CRI SMDs, or 5 or 6 Nichia 119’s.