U style self-ballast induction light 1,Energy saving 2,cheap than LED 3,CE,RoHS,FCC,CCC 4,3years warranty Integration energy ... and perform lighting effects of different spatial place.3.Spiral lamp base, easily to retrofit all kinds of compact lamps.4 ... magnetic hoop structure, effectively avoid magnetic leakage and magnetic core power loss, perfect heat dissipation ability.5.Special ferrite magnetic ...