... electronic ballast 1) 3 years warranty 2) CCC,FCC,CE,UL APPROVED 3)40W-400W 4)Only used for induction lamp ENLAM electronic ... there are no extra cost for you, if the lamp doesn’t work for its own technical or quality ... Co., Ltd is a professional manufacturer of induction lamp lightsource with more than 8 years experience. We ... have strong R&D and engineering capabilities. ENLAM electronic ballast