Jameco Reliapro ADU120150E1012 AC to AC Wall Adapter Transformer 12V @ 1500 mA Straight 2.1 mm Female Plug, Black Go to amazon.com Related posts Top recommendation for ac adapter 12v 1500ma 9 best 120v 12v ac transformer FeatureInput Voltage: 120Vac @ 60HzOutput Rating: 12Vac @ 1500mASize: 3.4"H x 2.7"W x 2.2"DCase color: blackOutput cord Length: 6 feet DescriptionOutput connector Type: female 2.1mm inside diameter/5.5mm outside diameter straight plug.