... , electronic ballast of energy saving lamps produces electromagnetic interference!), more lamp beads, still can be used even if some beads damaged ... lighting for 21 Century. 2. Light healthy: No UV or IR, no mosquitoes attracted, do not cause files and clothing's ... only 1/10 of incandescent lamp and 1/4 of energy saving lamp! 5. Convenient: General standard lamp holder, without ballast, starter. ...