... °C~+85°CNote:Our ballast will compatible with all types of HID bulb:3.Bulb type availableSingle bulbH1,H3,H4,H7,H8 ... , 9004/Bi-xenon, 9007/Bi-xenonMotorcycle bulbH6-MAlso will compatible with all of color temperature:3000k,4300k,5000k,6000k,8000k,10000k ...