ITEM NAME:1 x DC-DC Power Supply Module High Power Low Ripple 12A 50*61*22.8 mm RXM.Output current: 0-12a 100W heat dissipation up to 200W. Module nature: non-isolated BUCK module. Size: 50 61 22.8 mm. Can choose high-grade thickened abrasive anodized aluminum alloy shell, make the module isolated from the external space or easy to carry.The default is 5mm outlet hole for input and output respectively.