segment 00:00 - Opening 00:17 - Testing 00:56 - Parts 02:10 - Soldering LED 02:34 - Install LED to the fan 03:30 - Install lens and bracket 04:35 - Install PVC cover and gluing 05:44 - Gluing plastic holder to PVC pipe 06:26 - Make hole on PVC pipe 07:17 - Remove potentiometer on step up module 07:38 - Combines 2 potentiometer 09:43 - install potentiometer to step up module 10:19 - Set the output voltage at step up module 11:29 - install fan wire and led wire 11:14 - install the PVC cover 12:37 - install the Led switch 13:22 - install the Battery indicator 13:47 - Install The BMS battery protection 18:06 - install DC socket 18:46 - install the battery indikator switch 19:17 - install the battery 19:36 - wiring diagram 19:48 - install the flashlight cover 20:07 - flashlight charging 20:28 - finishing 21:01 - Testing