Quetoin: What is color temperature?Answer: SUNPER's LED high bay light offer lamps in warm, nutural, pure and cool white color temperature in Kelvin. The lower the color temperature is, the warmer the light given by the LED.Warm White：2000K-3500KNatural White:4000-4500KPure White:5000K-5500KCool White:6000K-6500K

Quetion: Can your products be manufactured by OEM?Answer: Yes, but the UL label can not be attached. Where neccessary, customers need to allpy muti-lised from UL.

Question: If i'd like to replace traditional high bay lamp, could you please provide me the scheme details?Answer: Sunper led high bay light is widely used to take place of traditional Halogen lamp and high pressure sodium lamp and other industrial lighting; Scheme of alternatives: 40W replace 100W..

Question: What is your led high bay light black design philosophy?Answer: 1 As for appearance, black is an element of fashion business, and black make SUNPER led high bay light looks more beautiful; 2 Black radiator with good heat dissipation, higher heat dissipation efficiency than others, reduce the lumens d..

Q: How soon for the delivery time of your products?A: We are a professional manufacturer dedicated to led high bay light. Generally we have been equipped with inventory of raw materials. Samples: 3-5 workdays; 200PCS are delivered in 10 - 15 workdays. 200PCS or more need to assess the delivery date.

Q: Can you customize and design products for us?A: Yes. We have a professional R&D team including optics engineers who are proficient in DIALux design, structural engineers who are proficient in CAD, PR/E design and heat dissipation treatment, and electronic engineers who are proficient in PCB design and electrical..