White Semi-Cover LED Bulkhead Lamp Round bulkhead light with half-shield top cover and frosted light panel. IP rated waterproof design, anti-glare, widely used in wet areas, staircases and walkways. hite Semi-Cover LED Bulkhead Lamp Round bulkhead light with half-shield top cover and frosted light panel. IP rated waterproof design, anti-glare, widely used in wet areas, staircases and walkways.