Lenoge? Dell 19.5V 3.34A 65W replacement AC Adapter/ Power Supply For Dell Precision M20 Mobile Workstation,Precision M4300,Vostro 1000,Precision M70 Input: AC 100V - 240V 50-60Hz Output: DC 19.5V 3.34A 65W Connecter size: Outside 7.4mm x Inside 5.0mm Safety Standards: FCC, CE, RoHS, using highest quality materials to manufacture, fully compatible with the original laptops (models listed below), tested with strict quality control standards; Carry extra light weight and handy charger to charge your laptop anytime and anywhere, place one at home, office and even one inside your laptop bag; Please make sure the DC voltage and Connector size are accordant before you purchase this product Comprehensive protection system : Over voltage /Over current / Short circuit protection; 12 months warranty.