Navigation lamp ESP-90D

Electric light-signalling device of circular action with a 90 mm diameter lens.
Lantern equipment: colourless Fresnel lens of circular action LK-90 with 90 mm diameter, circular LED (colour variants: white, green, red, yellow), photo-automatic device with a switch/jumper for changing the flashing/constant light character (flashing variants: flashing, double-flashing, frequent-flashing, group-frequent-flashing, eclipsing, colour-variable).
The lantern retains its performance at air temperature from -15 C to +40 C. The lantern retains its performance at short-term immersion in water.
Navigation lanterns are intended 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, by installing them on navigation signs in accordance with GOST 26600-98 "Navigation signs of inland navigation routes".