About this item Power Specs: 100-240V 50-60Hz, Output: 20V-3.25A, Watt: 65W. Also Compatible With 44W, 39W, 36W, 24W. Connector Size: Dedicated interface, Magnetic. Widely compatibility: Compatible with Surface Pro 11, 10, 9, 8, 7+, 7, 6, 5, 4, 3, X, Studio 1 i5, Laptop 6, 5, 4, 3, 2, 1, Book 3, 2, 1, Go 3, 2, 1. Perfect match models include 1706, 1866, 1796, 1724, 1625, 1867, 1735, 1800 and more. Fast And Safe Charging: Full charge Laptop in only 1.5h. Built-in multi safeguards to protect against overcharging, overheating, and short circuiting, friendly to computer battery and provide 2 times longer battery lifespan. 10FT Long Cable And LED indicator light: 10FT allows you to charge and have fun anywhere, anytime. The cool-blue LED shows the charging status; if the adapter is abnormal, the light will not turn on. Dimensions: 7.28 x 4.65 x 1.85 inches.