The brand new sygonix light bulb series featuring led filaments takes lighting technology to the next level the led filaments look a bit like conventional tungsten filaments and are electronic light emitting rods made of leds mounted on a base like their conventional counterparts sygonix bulbs are glass bulbsmeans perfect for all those who like the latest energy saving technology but prefer a vintage lookthis design comes with clear advantagesno more enclosures or heatsinks ensure consis