Output Voltage:                    DC 3V, 4.5V, 5V, 6V, 7.5V, 8V, 9V, 12V
Output Current:                    0.5 - 2A
Rate Voltage:                       100-240V AC 50-60HZ
Connection:                          Plug In
DC connector size:              OD = 5.5mm, ID = 2.1mm
Overload protection:           Yes
Over voltage protection:     Yes
Operating Temperature:     0℃ ~ +40℃
Operating Humidity :           20% ~ 90% RH
Efficiency:                              ≥80%