[Function:] This power adapter kit is designed for DC19V laptops, monitors, TVs, etc. It contains 9 connectors and is very versatile and easy to use. You only get a DC plug from the DC grop jack, and connect it to the DC 5.5*2.5mm plug of the adapter, then connect to your device.[Parameters: ] Input: AC 100-240V ~ 1.5A 50/60Hz; Output: DC 19V, 3.42A, 65W; Max 65W. Compatible with 45W/40W/33W, etc. Not suitable for 90W and more. DC connector size: outer diameter: 5.5mm, inner diameter: 2.5mm.[Portable and ultra-thin design:] Very convenient to take with you. CE FCC and RoHS certified. Made of high quality materials and includes laptop protection functions against incorrect voltage, short circuit and internal overheating. Compatible with the .[Note:] Please check the SIZE and voltage of your laptop tip before ordering. If you are not sure about the tip compatibility, please send us your laptop's brand and model number for confirmation.[Comes with the size of the DC plug: A 6.5 x 4.4 mm, H 5.5 x 3 mm, D 5.5 x 2.1 mm, E 5.5 x 1.7 mm, F 4.8 x 1.7 mm, 4.5 x 0.7 mm, 4.5 x 0.7 mm. 30 mm. G 4 x 1.7 mm, J 4 x 1.35 mm, L 3 x 1 mm. 18 months warranty.