All Daniamant Lifebuoy lights are designed to deliver, as a minimum standard, the 2cd output specification and 2 hour duration required by IMO SOLAS regulations. For a product brochure detailing all lifebuoy models please select the download option. NSN: 6230-99-366-5928 * Remember to order your mounting plate to ensure easy fixing when replacing your L40. *Due to global material shortages this model will also be available in orange for a limited time*