... glass lens.4. Super bright: 30% increase brightness than 55W halogen bulb.5. Vibration free mounting: stainless steel bracket with rubber cushion ... life time, up to 30000 hours.Product Application:HID work lamp for Farming, Mining, SUV, Fire-Engines, Vessel, truck, forklift, off ... , Heavy duty equipment, etc. four color high quality hid working lamp