... No MOQ,work quiet Product Name400W HID dimmer Electronic ballast for Garden lightOur Advantages:1, Timing Dimmer ballast, High Power Factor, Low ... %5, Open circuit protection, short circuit protection and overload protection6, Light weight, small size, easy establish, work quiet, 3 years warranty ... - 85505477Email: surre @ intelligon.cnContact: surre 400W HID dimmer Electronic ballast for Garden light