DC to DC 9A 300W Step Down Buck Converter | How to Use Step Down Buck Converter | Unboxing | Review

In this video is my unboxing about dc to dc step down buck converter that I bought from Lazada. It can run 3v to 40v input voltage to 1.5-37volts output voltage. I shown also the actual reault when I tested this step down buck Converter and so far It&still functional and give the voltage output whatever output I want. Whatever shown in this video is for educational purposes only and no intentions for encouraging someone to buy or even trying to have this. If you like my video please don&forget to like, subscribe and hit the notification bell for more upcoming videos. Thank you.