1.Adhesive sealed.water-proof 2.high power factor,low harmonic ... electronic ballast WATER-PROOF ELECTRONIC BALLASTDetailed description:1.Wide voltage range: 180V ~ 240V , 50 / 60Hz2.High power ... abnormal conditions4. Adhesive Sealed and well water-proof5. Specs range: CE - T5 180V- 240V 14W, 21W, 28W, ... or preheat9. Long using life: >30,000hours, warranty 2 years10. Product dimensions: 310 x 40 x 28mm ...