... 15V Can use for Audio,humidifier, atomizer. Attendance system, digital photo frame power supply, set-top boxes, small appliances, the fixed ... power loss.3, Good performance of anti interference, built-in electromagnetic interference filter.4,Wide input voltage range, 100 ... impregnation.6, 100% full loadand and high temperature burn-in test.7, Short circuit, overload, over voltage protection function ...