AC Adapter Charger 12V 5A For HP LCD Monitor 2311X, 2311F,2311CM Power Supply
Such as 500mA, 1A, 2.5A, 3A, 5A. If your device draws 4A then 4A will be supplied. NEVER OVERLOAD！. Indoor use only! Output DC adaptor jack size is 5.5mm x 2.5mm. You can screw wires onto it easily, no soldering required.