Crazy as it may seem, but imaging carrying your light bulb in your back-pocket! This credit card-sized wonder is powered by LED lights and a small cell and is simply ingenious.
It’s about the size of a credit card and powered by a small cell. Flip up the lightbulb shaped cut-out to switch on the soft, mellow, glow of bliss.
If you like the LED lamp you can finde it here: http://www.technilogo.es/