[Product Specifications]Input: 100-240V 50/60Hz, Output:19.5V 16.9A 330W(Compatible with 19V 12.3A 240W), Max Output Power:240W,Color: Black, Connector size:7.4*5.0mm. [Compatible with Model]DA330PM111 DA330PM190 LA330PM190 ADP-330AB B 331-2429 320-2269 331-2429 320-2269 5X3NX. [Compatible with Model] Alienware 17 R1 R4 R5 Alienware 18 R1 Alienware Area-51m Area-51m R2 Alienware M15 R4 R6 R7 Alienware M17 R3 R4 Alienware M17x Alienware M18x R1 R2 R3Alienware x15 R1 R2 Alienware x17 R1 R2 Alienware X51. [Multiple Protection]Built with Industry grade materials and premium circuitry, Internal smart circuit keeps you and your device safe with multiple protections, including over current protection, over voltage protection, short circuit protection, over heating protection, overload protection, surge protection and under voltage protection,Safe and secure.