About this item 60W T-Tip Charger: Input: AC 100-240V, 50-60HZ; Output: DC 16.5V-3.65A/14.85V-3.05A Universal Charger: Compatible with MacBook Pro 13 inch and MacBook Air 11-13 inch (2012-2015), part number: A1425, A1502, A1465, A1466, A1436, A1435. Note: Please check the model of the laptop before buying 60W T-Tip Safety Certificate: The power adapter is made of high-quality galvanized copper wire core material, the smart circuit components of the power supply provide fast and efficient charging, equipped with magnetic 5-pin DC connectors, and offers overcharge protection system/short circuit/overload protection/overheat protection LED Status Alert: An amber light means your MacBook is charging but not fully charged, while a green light means it is fully charged Dimensions: 7.99 x 4.76 x 1.69 inches.