1.) cover: anti-uv quartz tube. 2.) luminous flux: 2200lm-3200lm. 3.) bulb instant startup voltage: 23 kv. 4.) input voltage: 12v 5.) power: 35w; 25w/55w/75w are available 6.) waterproof and dust proof test 7.) certificates: ce, iso9001:2008, emark 8.) defective rate: less than 1%. 9.) life time: 3000 hours. There is no wane within 2 years. 10.) warranty: 12 months. 11.) korea pill inside anti-uv quartz tube. 12.) good and perfection after-service. 50pairs per carton; carton size 46.5*33.5*38cm
