Laptop Network Adapters
Input voltage (INPUT): 100-240V 50-60Hz
Output voltage (output): DC5V-1A, 2A, 3A
Output (maximum power output): 5W, 10W, 15W
Length: The total length is 1 meter.
Polarity: center positive, outside negative
DC plug: 5.5 * 2.5MM, 4.0 * 1.7MM, 3.5 * 1.35MM, 2.5 * 0.7MM, Micro USB, Mini USB

Output power: 1 - 50W