LED bulb 1.small volume,easy to install,high brightness, 2.Led bulb is E14 lamp base,modern ... . *Constant current circuit design, *Delicate and beautiful,no UV and IR radiation. *Certification:CE&ROHS.Structure:Adopt aluminum material for the ... circuit,it can pass high voltage testing of 4000V,Fuse install,have the function of open circuit,short circuit and overload ...