... for heat elimination.2. High performance of waterproof (IP=67), dustproof, quakeproof, anti-explosion.3. High impact Aluminum alloy housing, borosilicate ... 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