FeaturesLong twin tube, parallel lamp connectionBlue color label identification20 to 24 dB average ambient noise levelHigh power factorIntelliVolt technology (120 to 277 VAC)Lamp EOL protectionUL type CC rated - Anti-arcing circuitry provides greater flexibility to meet end user application requirementsAuto-restrike capability - eliminates the need to reset power mains after failed lamps are replaced0 deg F starting capability - suitable for cold temperature applications