UL Certified MEAN WELL LPV Series Power Supply Driver Transformer LPV-20-12 Water Proof 12V Output Voltage 20 Wattage Class 2 power supply, passed LPS test UL certified power supply, quality assurance Completely sealed, IP67 high waterproof level protected against the effects of temporary immersion in water Hiccup overload protection, automatically recover after fault condition. Constant-voltage mode Free air cooling system, low ripple noise, long lifespan, environmental friendly Suitable for most LED productions, including decorative lighting, home lighting, commercial lighting etc