FeaturesParallel lamp connectionBlue color label identification20 to 24 dB average ambient noise levelHigh power factorIntelliVolt technology (120 to 277 VAC)Energy efficient, DOE Nov. 14, 2014 compliantInstant start, parallel lamp operationDependable starting down to -20 deg FDesigned for T8/HO and T12/HO high output (800 mA) lampsSimplifies inventory needs with wide range of input voltagesFlexible multiple lamp operationSmart replacement for banned magnetic rapid start sign ballasts