Power: DC 9V 1A Adapter Rating input: 100V~ 240V Line frequency: 50Hz/60Hz Our adapters manufactured with the highest quality materials and include laptop safeguard features against incorrect voltage, short circuit, internal overheating. 100% compatibility with the original. Our products are CE/FCC/RoHS certified, tested by manufacturer to match and/or exceed specifications of OEM products. Warranty: 30 Days Money Back Guarante and 1 year Warranty on our products. We ship your order the same or next day and offer free return shipping!