FeaturesConstant voltage + constant current modesUniversal AC input (up to 305VAC) / Full rangeHigh efficiency up to 91%Fully isolated plastic case with IP64 levelClass 2 power unit / Pass LPSSuitable for dry, damp locationSuitable for LED lighting and moving sign applicationsProtections:Short circuit / Over current / Over voltage / Over temperatureMultiple models for choice:A-Type: IP64 rated. Output voltage and constant current level can be adjusted through internal potentiometer. B-Type: IP64 rated and built-in 3 in 1 dimming function (1-10VDC, PWM signal, or resistance)3 years warranty