Products trademarked iTEKIRO are marketed and sold exclusively by EPMUSA at Walmart.com. It is a DC CAR CHARGER, NOT AC ADAPTER. When attached to the 12V car cigarette lighter outlet, this laptop auto adapter notebook car charger powers your laptop and charges your notebook battery in your vehicle.Features:This adapter comes with an elbow plug tip. The elbow places less stress on the connector and lasts longer, the right angle DC connector is better than straight tip to protect your laptop power jack and the adapter itself from damageCompact and lightweight; LONG POWER CORD makes you reach more space with easeProtection from short circuit and over temperatureConsuming less power and smart LED power indicatorsSpecifications:Input: DC 12 - 24VOutput: 19VDC 2.37A - 3.42A, 65W Max (Replacing genuine Acer 30W, 40W, 45W, 65W adapter)Dimensions: 3.94" x 1.57" x 1.18"Weight: 8.7 ozColor: BlackPlease note this adapter is not original, it is a replacement made by iTEKIRO. Your purchase of this adapter comes with 100% satisfaction of 30-day money back guarantee and 1 year replacement warranty.We have been selling laptop power accessories for more than 10 years and your satisfaction is very important to us. If you have any questions or concerns, please email to us at any time, we will definitely respond to your inquiry in a timely fashion.