A feature employed by many remote controls which illuminates the LCD screen or keypad for use in the dark. The two most common types of backlighting include LED and electroluminescent (EL). Remotes backlit with LEDs are typically bright but uneven with a yellow or green color, while EL panels are smooth with blue, white or green shades. Some EL panels feature various brightness settings. See also: keypad, LCD panel, contrast, ambient light, light sensor, pickup sensor.