... design for heat elimination.2. High performance of waterproof (IP=67), dustproof, quakeproof, anti-explosion.3. High impact Aluminum alloy housing, borosilicate hardened ... steel bracket with rubber cushion, easy to install.6. Extremely long life time, up to 30000 hours.Product Application:HID work lamp ... , off-road, ATV, Excavator, Heavy duty equipment, etc. four color high quality hid working lamp