LED lamps in a classic bulb shape offer color temperatures of 2,700 K and 4,000 K in one lamp. They are controllable via a standard wall switch, providing always suitable light thanks to two light colors: warm white and cool white. These lamps support the biorhythm with activating and relaxing light colors. They have a long service life of up to 15,000 hours and low energy consumption. The compact design allows for easy lamp replacement. They make rooms multi-functional with adjustable light atmospheres. Areas of application include biorhythm support in bedrooms and children's rooms. For outdoor use, they should only be used in outdoor luminaires with at least IP65 rating.