New here and to electronics . I was wondering how I would safely power this https://m.banggood.com/AC-DC-12V-2A-24W-Switching-Power-Module-Monitor-Stabilivolt-Voltage-Regulator-AC-100-240V-To-DC-12V-p-1181373.html?rmmds=home-middle-browsinghistory I live in the uk and will be using it to run 2-4 pc ...