Green colour directional LED

LED directional green colour fire LED with a supply voltage of 4.0V.
Range of the fire: up to 19 km. LED design: module on a cylindrical stand with flexible leads for connecting the electrical power supply.
LEDs are replaceable and spare parts of navigation lights, which are designed for marking inland navigation routes - marking the axis and edges of the ship's course, dangerous places at the edges of the ship's course, as well as other warnings in the dark time of day in accordance with GOST 26600-98 "Navigation signs of inland navigation routes". LED retains its operability at air temperature from -15 C to +40 C. The LED retains its operability at short-term immersion in water.