... 144mm) Product Feature: 1. Reasonable design for heat elimination.2. High performance of waterproof (IP=67), dustproof, quakeproof, anti-explosion. ... 3. High impact Aluminum alloy housing, borosilicate hardened glass lens.4. Super ... truck, forklift, off-road, ATV, Excavator, Heavy duty equipment, etc. four color high quality hid working lamp