... 4)4w,6w,8w for choosing High Brightness LED Bulb 4w Feature 1.The shell is 6063 extrusion molding ... and B22 lampholder, easy to install. 5. Notable energy saving by adopting high power LED light source with high ... brightness and low decay, it can save more than 80% energy than traditional bulb, it’s also 10 times brightness ... (UL# E344776) , led panel,led flood light,led bulb, spotlight, par light etc.