The Day-Brite/CFI HCY sealed high bay is an ideal choice where functional high bay lighting is needed with an aesthetic appeal. The round form factor lends itself to retail and institutional applications. Die cast frame and driver containment housing. Corrosion resistant black and white finish. Clear polycarbonate lens protects LEDs. Heavy duty hook provided for connection to customer-supplied suspension. Driver surge protection is 4kV L-N and 6kV LN-GND. Lumen maintenance up to 70% (L70) at 50,000 hrs. Default HCY-SENSOR settings are 1 minute timeout to 20% dim level, then 1 minute timeout to off. HCY-REMOTE must be used to change default sensor setting. cULus listed for use in wet locations for -30°C to 50°C ambient. IP65 and NEMA4X rated. IK08 impact rated. Components are RoHS compliant.