Barents Buoy Light /  warning lights / marker lights Durable warning light/buoy light with an LED and sensor that automatically activates the light when it gets dark. This is especially practical when the light is left outdoors for extended periods and you want a solution that takes care of itself from day to night.   Features LED for efficient and reliable light output Light sensor that switches on automatically when it gets dark Battery compartment: 2 x LR20 batteries (not included) Flashes white Length: 28 cm Diameter: 5.5 cm Common applications for warning lights / marker lights / buoy lights Marking buoys and floating equipment Marking docks, moorings and berths Safety marking of fishing gear, pots and lines Clear position marking for navigation in the dark