... 24V 3.3A 40W Efficiency:82% led driver for constant voltage(CE,ROHS,IP67) PRODUCT SPECIFICATIONS1, Product ... IEC61347-1:2003 CE(EMC+LVD) certificate.6.2,EMC Standard:EN55015,EN61000,EN615477,Size & Figure7.1 ... ,Size:200*35*22MM7.2,Case Material:AL 8,Packing SpecificationsUnit WeightPacking SizePacking ... guardrail lamp, flood light, light word ,street lamp etc. For LEDs series-parallel.