Power Adapters
1. Input voltage (INPUT): 100-240V 50-60Hz
2. Output voltage (output): DC5V-6V-7.5V-9V-12V
3. Output (maximum power output): 5W-5.4W-6W-7.5W-9W-10W
Length 1m
5. Polarity: positive inside, negative outside.
6.Plug: Default DC: 5.5 x 2.1-2.5mm.

Output interface: 5.5mm*2.5mm