12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led ... sure the stability and high efficiency of power supply.*2, Anti-jamming, passed EMC test, wave less than 20MV.*3, Efficiency ... to 45 degreesize:170*120*93mm 12V/24V/48V/500W switch mode power supply,size;170*120*93mm,led driver,led ...