Top Safety - Certified and listed by UL, the US recognized safety standards, passed UL's stringent tests to ensure you and your devices' safety. Compatible with Dell Latitude 3420 3520 3320 Laptop. Only for amperage equal or less than 3.34A. Unbeatable After-Sales Service: No-Questions-Asked replacement in 30 days, manufacture warranty valid for 1 years - our quality and service are of full confidence, so should your purchase. Package - 1 * power adapter, 1 * AC Power Cord. The total length of the charging cable is 10Ft. Output Max - 19.5V 3.34A 65W (compatible with 19.5V 2.31A 65W) Input Volt Range - 100-240V