... 18months 3.Defective rate<0.5% 4.all kind of bulbs available hid xenon kit h4 6000k ... d4s,d4c,d4rColor temperature: 3000k,4300k,6000k,8000k,10000k,12000k,30000kSpecial color: yellow ,pink,purple ... : 35w, 55w ,75w ,100w 2. Voltage:12v, 24v 3. Model: slim ,normal ,digital, canbus 3.warranty : AC ... :18months, DC: 12months4.best service after sales , best quality, best price5 ...