UCTRONICS DC 9V 12V 24V 4A Variable Power Supply 5-30V to 0.6-30V Adjustable Buck Boost Converter, Portable Bench Constant Voltage Current Stabilized Regulator Module

[Music] we received this item from icy station China inside this beautiful module and here are four connectors or whatever connecting pieces they have sent which will be fixed here if we are going to fix this module in some casing or something like that so okay this website and then here in the real module you can see and this real module is very very much beautiful from my situation and this is what is adjustable step up step down power supply module boost buck converter LCD display voltage regulator so the regular price is nine dollars and thirty nine cents whereas they have given it in offer and nowadays it is six dollars and fifty seven cents so this beautiful module you can see this is working on some 5.5 volt 230 volt input here is we will apply the input and here we will get the output so the output will be 0 point 5 volt 230 volt and this is step up and step down both in one tim