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How to easily and quickly change the backlight to an LED one with many functions. To do this, you need a backlight board with drivers and a controller. Functions: 1) Peresvet has a white main backlight and a red backlight for the arrows 2) super fast installation, glued the board, soldered three wires - done! 3) high-quality LEDs are used for the backlight, Samsung white and Osram (original) for red 4) LED current driver for a long life. 5) everything is mounted on a PCB, which is also a radiator for cooling the diodes. Description: - the backlight board has two channels, separate backlight for the arrows, separately for the scales. - smooth ignition first of the arrows, then the backlight of the scales. - night dimmer with smooth dimming (reducing brightness at night) - brightness adjustment for daytime and night mode separately. - control with just one button.