... 5.Life span:50000h High LED Bulb Lamp1.High-Brightness LED Lamp: Low-light failure, the work of 35,000 hours Luminous ... fluxcan be maintained at above 75%. 2.High standard of security protection: 4000v high voltage test by the European Union. Drive circuit ... protection. Manufacturing and sale of Light Guide Plate(LGP) ,( Edgelux ® panel, , Slim Light Box, LED Lighting panel, LED Bulb, LED Spotlight , ...