Specifications: Power: 5W/7W/9W/11W/13W18W/24W/36W/55W Diameter: 12-13mm, 20-21mm Base: G23, 2G11 Color Temperature: 2700K-14000K Features: 1.Emit light spectrum at 253.7nm, which causes the DNA damage and bacterial death or change 2.Can kill a variety of microorganisms, including viruses, bacteria (Bacillus, Mycobacterium), fungi, rickettsia, etc Applications: Microbial contaminated surface, water and air. A variety of different sterilization, air and water purifiers Contact: Shirley Email:xt4@xtlight.cn xtlight@hotmail.com