400W switch mode power supply,size;215*115*50mm,led driver,led power supply PWM design, make sure the stability and high efficiency of power supply.*2, Anti-jamming, passed EMC test, wave less than 20MV.*3, Efficiency above 80%, exotherm less than 25 degree*4, Function: with overvoltage protection, short-circuit protection, over-load protection*5, Constant voltage output, assume stable power ...