F64T12/HO/RDC waterproof LED directly relamps and replaces the 76/80 watt 64" fluorescent bulb F64T12/HO without rewiring or modification. It's a Plug and Play product from our "Relamp Series" when switching to LED lighting. T12/HO bulb works with traditional magnetic ballasts and modern electronic ballasts. It’s fully compatible with Instant Start, Programmed Start, Rapid Start ballasts and legacy pre-heat magnetic ballasts. Installing the lamp, as easy as changing a bulb: Turn power OFF before installationRemove the existing lampInstall LED T12/HOSwitch on power General Specifications: Energy saving of 48% from 76/80 watts to 42 watts with 4620 lumens outputEnergy saving of 38% from 76/80 watts to 50 watts with 5500 lumens outputAll plastic diffuser for better light distribution, less spot reflectionsO Rings to waterproof rotating caps and sealed diffuser for indoor and outdoor applicationsHeavy duty aluminum heat sink ensures the LED run cooler for longerPlastic and aluminum construction ensures less breakageLong life span of > 50,000+ hoursHigh lumen output > 110 lumens/wattAvailable in: 2700, 3000, 4100, 5000, 6000 KelvinUses 42,50 watts = 76/80 watts equivalent2 bulbs per packageSingle Sided - 4620 lumensDual Sided - 5500 lumensA.k.a T-12 High output Recessed Double Contact (RDC)Rotatable R17D end cap that swivels regardless of socket orientation in signSpecial application lamps that are designed for cold weatherTechnical description: F64T12/HO/RDCSuitable as Walk-in Cooler, Freezer and Refrigeration equipment lightingPerfect for Gas stations, Signage, Billboards Works with electronic and magnetic ballast only!Ballast operated lamp, not bypass compatible