... : AC, 100-240V, 50-60HZ 2) Output: DC, 19V 3.42A 90W 3) 1 YEAR Warranty,Strictly tested Product Detail· Input ... : AC, 100-240V, 50-60HZ· Output : DC, 19V 3.42A 90W· Connecter size : interior diameter: 1.7 mm external diameter ... Contact: CiCiMobile:86-15815593924TEL:86-755-88365064 90W 19V 3.42A Power Supplier For ACER laptop adapter