Yellow colour Flashing Signal light with 5 Super Bright LED’s ( ashes every 5 seconds). Equipped with a photocell, working only during the night, while it switches off during the day. It is visible up to 2 nautical miles and operates according to EU Reglement 404/2011 standard. Furthermore, it uses 1 D type battery that lasts for 20 nights. Also, there is an acid resistant rubber o-ring which ensures the light is waterproof, the Flashing Signal light has a durable plastic body with anti tumbling protrusions and stainless steel spring inside.