... light base 4)4w,6w,8w for choosing High Brightness LED Bulb 4w Feature 1.The shell is 6063 extrusion molding ... protection function makes it more concise and beautiful. 2. The driver is in isolated design, with the function of over-voltage ... 2008 factory established in 2006, Our main products including: led strip, led tube(UL# E344776) , led panel,led flood light,led bulb, spotlight, par light etc.