Optical Lens is a High -Purity Glass , So many high definition. The long-life fluorescent ring , angle can be adjusted . Unique broad observation range and operating space. Annular tube electronic energy shadow less light stable and reliable, without a shadow of light flicker-free no effect on vision , the use of advanced electronic ballast , power and luminosity suitable power factor. Sturdy articulated arm design . Excellent quality, highly cost-effective. Second, the characteristics High quality magnifying work lights , prolonged use is not hot, the most suitable for the use of sophisticated electronic industry . Spring support you need to be able to work according to the environment