1.High Luminous efficiency 2.Lifespan: 50000hours 3.Certification: CE, RHOS, FCC 4.Warranty:2 years Features 1. Self-developed ... , high illumination, high efficiency,and patent led source. 2.Light source arrays to form a rectangular light emitting surface.Exposure rang(15m-6m ... 60°C ensuring a long Life time:50,000hrs 3W LED PL lamp,Housing Sets,with latest design