Technic parameter&index of LED High Bay Light Input Voltage: AC85V 265V Freqency Range: 50Hz 60Hz Total Harmonic Distortion: ≤9% Power-factor: >0.9 Power Efficiency: >84% LED Working Voltage: 30 36Vdc LED Quantity:1PC LED Consumption: 50W System Consumption: 59W Beam Angle: 45degree LED Efficiency: 80 100LM/W Initial Flux: WW/4150LM; NW/4350LM; CW/4200LM Luminaire Efficiency: >75% Center Illuminance: Height: 4M 118LUX Height: 6M 59LUX Height: 8M 40LUX Illuminance Area (Light Spot)(Round): Height: 4M / φ14.35m Height: 6M / φ21.28m Height: 8M /φ 28.21m Illuminance Uniformity: >0.5 Color Temperature: WW/2700-3300K; NW/4000-5000K; CW/5300-7000K Color Rendering Index: WW/Ra>68; NW/Ra>75; CW/Ra>75 Light Distribution: symmetry / light spot (round) Light Design: LED+reflector secondly light distribution Juction Temperature: ≤80ºC Operation Temperature: -40ºC +55ºC Storage Temperature: -25ºC +55ºC (26ºC is best-fit) IP Rating:IP65 Working Life Span: 50000Hours Power Line: 0.75mm2 three-core cable Connect Wire: Brown/L; Blue/N; Yellow, Green/G Housing Color of Lamp Head: Black/ Silver (optional) Certification: CE,RoHS Trade Terms: 1.Payment: T/T 100% in advance (Western Union is welcomed) 2.Production lead time 1000pcs: 5-7days, 2000 5000pcs:7-10days, above 5000pcs 15-20days. 3.Sample can be delivered in 3-5days 4.Shipping freight are quoted under your requests 5.Shipping port: Shenzhen, Mainland China 6.Discounts are offered based on order quantities 7.MOQ:100pcsOur service: 1.Your inquiry related to our products or prices will be replied in 24hrs. 2.Well-trained and experienced staffs to answer all your enquires in fluent English 3.OEM&ODM, any your customized lightings we can help you to design and put into product. 4.Distributoership are offered for your unique design and some our current models 5.Protection of your sales area, ideas of design and all your private information