This 4'' LED Light Square features nine (9) high-performance LEDs for improved visibility. 1620 lumen provides 6000 Kelvin light intensity and is distributed in a flood beam pattern, at 60 degrees for wide-field illumination. Polarity protection ensures longer lifespan by automatically breaking the circuit in the event of over-voltage. Equipped with a robust polycarbonate lens set in a die-cast aluminum housing. Special regulations and legislation within each country should be taken into consideration before use. Expected LED life of 30,000 hours. A complete kit to secure your 4'' Light Square to your Slimline II Rack is available: RRAC059.