Specification: Ballast with High 55W Output for Wide Distribution of Light DC 9V-16V Power Input Voltage (Vehicle Standard). 35% Less Power Consumption, thus Generating Much Less Heat during operation For 55W (+/- 1W) Bulb Output in General Waterproof / Weatherproof AMP Connectors 55 Watt and 12Volt Start Voltage Range: 9V-16V Normal input Current: 3.2A Max. input Current: 6.0A Working Temperature: -40°C-105°C (-40°F~221°F) Compatible with all aftermarket HID conversion kit bulbs Material: Aluminum housing Color: as picture shown Fitment This ballast is universal fit for all aftermarket HID light bulbs as below: -H1, H3, H4, H7, H8, H9, H10, H11, H13 -HB1, HB2, HB3, HB4, HB5 -9003, 9004, 9005, 9006, 9007, 9008, 9140, 9145, 880, 881 For OEM D1S, D1R, D2S, DS4, D4S, D4R,buyer need to get an AMP connectors to fit. Package Include: 2pcs x hid ballast 55w Note: -Please allow 1-10mm difference due to manual measurement. -Due to light and screen difference, the item's color may be slightly different from the pictures.