... quality and competitive price Switching Power Supply(S-350W-12/24) (ZYY Switching power supply)Specification:Packing: White boxProductivity: 50000 PCA ... ~500Hz, 2G 10min./1 cycle, period for 60min, each along X, Y, Z axes.4) SAFETY STANDARDS·Withstand Voltage; I/P ... Asia, Western Europe switching mode power supply(S-100W-12/24)