1. input voltage range: AC 110-240V.
2. input voltage frequency: 50-60Hz.
3. output: 5V/2A or 9V/1.67A or 12V/2.1A
4. interface output: 1 USB interface
5. Output Ripple & noise: 100mVp-p.
6. work efficiency: 85-95%.
7. operating temperature: 0 ~+40 C
8. cooling mode: natural cooling