DNA Motoring HIDDTLBH13K HID Light Bulbs 3 Times Brighter than Conventional Halogen Bulbs Last 10 Times Longer than Stock Bulbs 35% Less Power Consumption: thus Generating Much Less Heat during Operation 35W (+/- 1W) Bulb Output, AC 9V - 16V Power Input Voltage (Vehicle Standard) Heavy Duty Working Temperature: -40 F to 221 F (-40 C to 105 C)