Source google image: http://www.camera-espion.com/media/catalog/product/cache/5/image/301x/9df78eab33525d08d6e5fb8d27136e95/i/p/ipw-solar-hd_0.jpg
Panneau solaire luminosité
Source google image: http://www.camera-espion.com/media/catalog/product/cache/5/image/301x/9df78eab33525d08d6e5fb8d27136e95/i/p/ipw-solar-hd_0.jpg