Eco Tech: Siemens lights up world’s biggest revolving Christmas star
Eco Factor: Energy-saving Christmas star with 9000 LEDs.
Siemens has powered up its Superstar, an LED-equipped Christmas Star in Munich that puts out a glow equivalent to 20,000 Christmas candles, while consuming as much electricity as a hair…
Eco Tech: Siemens lights up world’s biggest revolving Christmas star Read More »









