... Regular:0.50% R&N: 80mV, Efficiency:85% 12VDC Power Supply Key Specifications/Special Features:Constant output pressure: ... designWide input voltage rangeHigh reliability, high efficiency, low operating temperature and long lifespanHigh efficiency and lower temperatureInner with EMI ... and other AC power applications. 12VDC Power Supply with Overload Protection, High Efficiency and Low Temperature