Designed and manufactured in Germany, our HID conversion kit is superior to any other conversion kit on the market. Philips Light Source HID system includes: Pair of xenon bulbs designed for your Hummer H1, H2 or H3 Pair of digital ballasts with built in CAN-BUS flickering solver Instructions Screws and any necessary wiring 2 year warranty Full technical support by GM technicianPhilips HID Conversion Kits are the best HID kits in the market. Our kits utilize original Philips Xenon Burner from Germany (Philips XENON HID LIGHT SOURCE). Our HID bulbs are the highest quality bulbs in the market.Philips kits are easy to install and can be done on most vehicles under 30 minutes. No cutting or splicing is required for the installation.Philips HID kits are DOT Approved (United States), CE and E-Mark Approved (Europe) and ROHS Approved (United Kingdom).Specifications: UV cut glass for headlight protection Water and vibration resistant Color Temperatures of 4300K or 6000K 3400 Lumens light output 3000 Hours Lifetime No warm-up period for maximum brightness CAN-BUS circuit for flickering and radio interference resolutionSome modern vehicles have computer controlled modules for monitoring the headlight circuit (CAN-BUS). Our Philips conversion kit has special circuitry built in to prevent flickering, dash lights and radio interference issues on 99% of vehicles.Hummer cars are a brand of off-road vehicles, old by General Motors. They could be 4X4 vehicles or luxury SUVs which combine off road capabilities with interior comfort, thus creating a sort of rugged sophistication. This is a feature that General Motors ensures in all the major hummer brands. Xenon kits available for Hummer are all made of rugged and high-strength PolyUrethane and are each individually designed. Therefore, one can individualize their hummer vehicle with individual parts or with complete kits. The item type is usually a 12-piece Body Kit for models with OEM step bar. They combine a blend of beauty, fit and rugged toughness. The xenon lights are sold with lighted air dam and come with mounting hardware, switch kit, wiring and fuses. Before the xenon bulbs or light upgrades are put in the market, they undergo rigorous testing to ensure that they are vibration worthy. The HID Xenon conversion kits are an easy upgrade to your hummer and are designed to be a plug and play system. Aftermarket companies are making these HID kits available for low beam, high beam and also for fog lights. They are very reliable and they also install with ease.