Omron Healthcare (v) Ac Adapter 120v For Neu22v

what I like to do for you today is check some power adapters these are all AC DC adapters most of them configured for 12 volts we can test it with this meter you can see in here it defines the amount of what's used by something plugged in the wall here we have a Yamaha keyboard not very interesting but it's just to see the difference for the same settings with all these adapters in here you see the official Yamaha adapter there might be some differences in power usage and I'm going to show you this let's start with this well whatever the brand is and plug it in and see what is the usage of this button it's already on three faults for three watts and now the keyboard is on and their egos I don't know if you can read it but it's measuring about 12 watts I switch it off and I guess this one is not so very efficient and will be just generating it's blocked in the wall let's wait a little bi