Made of marine grade aluminium, comes with high-efficiency light guide. Easy installation with no external drivers needed, and super slim design for surface mounted application. High-efficiency constant current driver. Long service life of 50,000 hours L70 @ 40ºC. Cabin entry : 2 plastic cable glands M20, and cable max. 13mm dia. JIS and IEC safety and EMC compliance. *Note : Replace whole unit when light not working.