PHB4010 Ballast Features:High-precision microprocessor controlFour-way dimming: 60%, 75%, 100%, and Super Boost (1150W lamp output)USB interface provides full compatibility with Autopilot PX1 Digital Lighting ControllerRobust commercial designSuperior reliabilityLED status indicatorInternal RF shieldingPatented ignition controlEnd of lamp life signalAuto-restrike feature protects valuable lamps from damaging power interruptionsCooling fins for maximum heat dissipationSuitable for use in damp locationsFeatures an IEC power connection and comes with a 8' 120V 14/3 AWG power cordFCC certified120V/208V/240V REFLECTOR-PHRS010Features:Double-ended system delivers higher PAR value with incredible uniformityPatented open roof design for ideal lamp operational temperaturePremium aluminum European hammertone interior: 99.85% pure, 95% reflectivityDirects light down in a focused patternCompact design minimizes interference with sun in greenhouse applicationsExcellent efficiency at higher mounting heightsRequires fewer reflectors to meet desired light levelsCompounding performance in multi-light configurationsEuropean-made VS K12 x 30s high temperature lamp holdersPatented reflector design: D731,109 (and other patents pending) Premium DE lamp features:High proportions of red and blue light guarantee efficient photosynthesisExcellent PAR output (2100 µmol/s)Quartz glass outer jacket for superior optical qualityLamp design eliminates shadowing from arc tube supportDesigned for use with Hydrofarm and PARsource high frequency DE fixtures and ballasts