... 4W High Power LED Spotlight 1. Cree/Bridgelux/Epistar 2. Factory, 100h aging testing 3. 2-3 years warranty 4. Certificated 4W LED Spotlight ... ,we take the protection of overcurrent ,overvoltage,thunder,high temperature to guarantee the product performance steady.6.Choose ... About he quality of LED products:first,selecting the led chip,because led lighting is made of led chips,because the lighting ...