... fast delivery No MOQ,work quiet Product Name400W HID dimmer Electronic ballast for Garden lightOur Advantages:1, Timing Dimmer ballast, High ... 5, Open circuit protection, short circuit protection and overload protection6, Light weight, small size, easy establish, work quiet, 3 years ... 0086-731- 85505477Email: surre @ intelligon.cnContact: surre 400W HID dimmer Electronic ballast for Garden light