12months warranty,below 2% Defective rate

Function parameter1) Power: 35W2) Lumination:2500~ 3,500lm3) Lifespan: 3000hours4) Operating ambient temperature range: -40 degree~ +105 degree
5) Color temperature: 3,000K-30000k6) Voltage: 70v~100v
7) wiring: high temperature-risitant, high voltage-resistant8) Cover: crystal glass tube of UV-CAT anti-ultraviolet9) Luminescence way: produced luminous by gases colliding