Original OEM Dell 240W AC Power Supply Adapter Charger+Cord for Alienware M17x M18x R1 R2 R3 R4 R5

INPUT: 100-240V  50-60Hz (for worldwide use)

OUTPUT: 19.5V    12.3A, 240W

Connecter size: 7.4 mm×5.0 mm, with central pin inside (ref to the picture).

Power LED indicator

Outlet: 3-prong

Cord Cable: US plug