Bullet_point: ['Each LED bulb has 39 LED\'s in the cluster with an amber colored magnifying lens4-1/2" long detachable shroudThe shroud has a heavy wall thickness, and is easier to mount with a positive lock feature with 3 locks to assure the shroud is on straight. The light-weight design will assure that the flood lamp sockets on your tree will stay in position', 'LED Lamp is provided with a 4-1/2 inch detachable shroud'] (Page 1)