Visual Sound Truetone 1 Spot Combo Pack

I would like to know if this supports 220v. I know the Visual Sound website indicates this supports international voltages but i wanna make sure

Can i use it for 12v pedal?

It didnt work on my evh flanger using 2 9v battery connect why ,?

Will this power supply work on my Digitech DSB and or my cheap Joyo pedals? Thank you