... 15V Can use for Audio,humidifier, atomizer. Attendance system, digital photo frame power supply, set-top boxes, small appliances, the ... 2, Low load and the standby power loss.3, Good performance of anti interference, built-in electromagnetic interference filter. ... range, 100-240V, comply with the global standard.5,Good insulation properties, high frequency transformer 100% using vacuum impregnation ...