December 1

LED - Light for today

Today's sustainable Xmas gifts:

LED christmas light sets (10 chains à 8 meters)

Solar flashlights with highly efficient LED light.
>> www.megasol.ch

Our quiz questions

1:	What is the estimated lifespan of an LED-bulb?
	5 000 hours (2 months)
	50 000 hours (6 years)
	100 000 hours (12 years)

2:	Which of the following Xmas lights use LED technology?