it looks really great i how much time it took? moreover from where did you find references.
http://www.pvsinternational.com/

Very interesting.
Keep sharing.

<t>LED annual running cost £1.71<br/>
These use almost 90% less energy than a traditional incandescent, making them the most energy-efficient type of lighting. LEDs are usually more expensive to buy, but should last up to 25 years. In the long term they are the cheapest option. An LED could save you ...