Professional HID manufacturing company, Universelite supply HID bulb with internal ignitor 50-360w, CE and RoHS certified. Features of high pressure sodium hid bulb 100w with internal ignitor:1) Fixture with more compact and less complex structure, more flexible to install or disassembly, more convenient to use2) High luminous efficacy, long rated average life 20,000 hours3) Cost-effectiveness of ...