1, High liuminious flux 2. E27 lamp holder 3, Self invented power driver 4, Energy saving 5, Without pullution Technical ... flux, without ultraviolet ray, infrared ray, protecting the lighted objects2. Self invented power driver to ensures long service life and stable ... & Guarantee1. Producing lead time general is 8-10 days.2. 3 years for guarantee Packing 1 pc/small box with bubble ...