Features:Led Power:50WLED Qty: 470pcsLED Chips: 2835 Dimension: Dia4.52"x9.84" Input Voltage: 90-277VLamp Holder: E39Emitting Color: Crystal White Luminous Flux: 6543LmLight efficiency:135lm/wColor Temperature: 5000KBeam Angle: 360 degreeMaterial: Aluminium and PCRa:80IP Rating: IP40Lifespan:50000 hoursWarranty:5 years warrantyAdvantage:Instant start, No more waiting for bulbs to "warm up", NO flickering, NO hummingGreen and Eco-friendly, No mercury, No UV, infrared or other deleterious radiation Unique construction design, 360 degree Shining, no dead cornerInternal driver easy to installVarious lamp holder are available, a wide range of applications(E26 E27 E39 E40 )No spot, no black area, long lifespan and less brightness decayWidely used in supermarket, warehouse, garage, home, office, hotel, hospital, school, street, garden etc.5 years warrantyQuality Control:All the lamps will be tested and keep lighting for 48 hours to test its quality reliability, and we will also test its temperature after 24 hours lighting.Then after it is cool we again test 100% of the lamps to see if it still work well. Each lamp should pass all these QC procedures before shipping to customer.Notice:1.The LED Corn bulb is wide input voltage(AC100V-277V)2.Please turn off power before install or change assembly parts3.Make sure to remove ballast or starter before install the lamps4.The input voltage and lamps should be matched, after connecting the power line, please make sure the wiring section is insulated5.No-professionals, must not install and disassemble the lamps.
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