Unit Size: (Dia) 55 x (L)200 mm
Mode of light: Flash
Battery: 1 x 1.5V D size dry battery
Color of light: red/green/yellow/white/blue
No need button or control. The light can be flashed at night or dark and turn off in the daytime automatically.
Easy to replace the battery , low cost for one D size battery lasting 15 days at least.
Clear visible distance: 2KM
Usage: Mark the fishing net position, Show the position of a person in order to be found or rescued, attract fish, traffic warning light etc.