Energy-saving lamps are artificial light sources that are similar to incandescent lamps but use less energy for the same brightness. Compact fluorescent lamps are often referred to as energy-saving lamps. Other more energy-efficient light sources are LEDs, high-pressure discharge lamps or coated halogen lamps. read more

The MOONLIGHT from Propulsion Systems is a highly technical electronic product. With the 3 basic colors, a range of other colors can be produced and through this you can add a personal touch to your swimming pool. read more

They are small oases of relaxation: balcony and terrace are quite a bit smaller, but need not be inferior to a lush garden in any way. Spring bloomers, summer flower arrangements, colorful decor in autumn spread good mood and invite you to relax. read more

Die Lichtausbeute gibt an, wie energieeffizient eine Lampe arbeitet. Sie sagt aus, wie viel Lichtstrom (= Lumen, lm) pro Watt erzeugt wird (= Lumen pro Watt, lm/W). read more

1962 wurden die ersten praktisch anwendbaren, zunächst nur rotes Licht ausstrahlenden LED entwickelt. read more