New power supply 24 VDC out max 3Amp 100-240 vac input LED pilot light to let you know it is powered up! DC plug looks to measure just over 5mm (5.5mm)outer diameter inner "hole" looks to be around 2mm Center is positive, or you can cut plug off to use on popular items such as RDL stick on audio devices. Uses standard IEC computer cord AC cord NOT Included unless you select priority or parcel select shipping AND add message you want the AC cord. Why? because the weight of the added AC cord pushes weight above first class and shipping cost goes up! so we want to offer both options. So we are not charging extra for the AC cord, but if you want one, you need to select and pay the higher shipping by simply selecting Priority instead of first class. weight without AC cord 12.6 oz weight with AC cord 1.4 lb