ERW12B Used to upgrade your auto car headlights or fog lamps. Increases driving safety at night or in bad weather. Two 881 HID Xenon light bulbs and two DC ballasts included. Bulb type: 881. Color temperature: 10000K. Power consumption: 35 watts. Luminous flux: 3200lm. Service Life: up to 2500hrs. Working temperature: -40℃ to +105℃. Rated voltage: DC 9-16V. Simple to install. Package Details Weight: 178.69 g Size: 16*11*5.5 cm Package Includes 2 × HID Xenon Bulb 2 × DC Ballast 1 × HID 12V Wiring Harness Controller 1 × User Manual