12V 5A US Type Power Supply Technical Details: Input: 100V-240V AC Output: 12V DC up to 5A DC Jack: 5.5mm OD/2.1mm ID barrel ‘coaxial’ type “M” Suitable for RockPro64 SBC, Quart64 model-A SBC, SOQuartz with model A baseboard, and SOEdge with model A baseboard. Limit 3 units per order regardless the power plug variant.