This signal produces a red light with an intensity of 10,000 Candelas for 15 seconds, followed by an orange smoke signal for 15 seconds. So you can use it with peace of mind, day or night. Sold individually We would remind you that when sailing at sea on a pleasure craft less than or equal to 24 metres in length, compulsory equipment must be carried on board. You can find the list in the supplementary documents attached below.