1. Glass bulb shape: Dimond. Adapt diamond glass bulb design, which lighting source is much close to halogen bulbs. Anti-dazzle and lighting focusing. 100% focus accuracy 2. fast start ,perfect match to fast start ballasts 3000 hrs lifespan 3. 50% brighter than original HID, 350% brighter than halogen bulbs 4. We focus on 5500k, the safest, most popular and most practical color temperature for head - lamp 5. UV Bulb Tube. Completely filter ultraviolet radiation,
6. No spark, by using special manufacturing process to eliminate the phenomenon of spark.