Specifications 1,Adapter Power For DELL 19.5V3.34A(7.4*5.0) 2,65W adapter power 3,manufacturer one year warranty 4,Low price adapter power. Adapter Power For DELL 19.5V3.34A(7.4*5.0) Specifications: Input: AC 100-240V, 50-60Hz Output: DC 19.5V3.34A Power: 65W Outlet: 3-prong Connecter size: 7.4*5.0mm(Internal Diameter: 5.0mm;External Diameter: 7.4mm) *Brand new, OEM Equivalent Replacement Part *Over Voltage Protection, Short Circuit Protection, Over Current Protection, LED indicator *Compatibility: 100% Original Manufacture Compatible, Guaranteed to meet/exceed OEM Specs.