XERON ROUND is strictly designed based on IP65 protection, waterproof, dust proof and corrosion proof performance. Strong aluminum housing+PC cover. It gives high efficiency over 100lm/W. Perfect heat dissipation with long lifespan 5years warranty. Surface mounted installation. Emergency, Microwave sensor, Dimming optional. It is suitable for Semi-outdoor ceiling Gas Station Airport, Parking lot, Corridor, Lobby and so on.