Two-mile, 360 visibility, for boats up to 39.4′ (12 m) length. Since all-round lights must be at least one meter (39-3/8″) above sidelights, some boats require a long light pole. The removable pole folds in half for easy stowage. 2-pin locking-collar pole. 9-watt wedge-base lamp. Anti-glare lens focus at the horizon and above, not in the driver’s eyes.