GearNews - SubGear Meridian LED Strobe Light
It features a white emergency strobe with a claimed burntime of 75 hours and a red locator beacon with burntime of 100 hours. The 100-lumen strobe weighs 101g complete with three AAA batteries and strap and can be attached easily to a BC, says SubGear. The Strobe Light has a shock-resistant body and is waterproof to 100m. The price is £29.