9 Volt DC 2.3 Amp 21 Watt Unregulated Linear Wall Adapter 2.1mm Plug Specifications --Output voltage: 9 VDC --Output current: 2.3 A (2300 mA) --Output connector: 2.1mm x 5.5mm (IDxOD) cylindrical female barrel plug (center positive) --Wire size: 22 AWG --Input voltage: 120 VAC @ 60 Hz 32 W --Size: 2.69"W x 3.36"H x 2.22"D --Case color: Black --Output cord length: 6 feet --Weight: 1.65 lbs. --Agency approvals: UL, CUL