It is a UPS Power Supply Module/Switching Power Supply/Adapter. Input voltage range: AC 90~264V, DC 127~370V. DC output voltage: 13.8V (CH1), 13.4V (CH2). Rated output current: 2.0A (CH1), 0.5A (CH2). Applications: our switching power supply can be applied to lighting, household electric appliances, industrial control, monitor equipment.