There are 25 Multi Color lights on this LED strand. They are traditional looking C9 lights with a hard to break, faceted lens on each bulb. Being LEDs, these bulbs use substantially less power than other string lights and are much more durable. The green wire is 20 gauge. The total strand length is 17', including 8" between bulbs, a 5" end cord and a 5" lead cord. Average power consumption is 0.071 watts/LED. Product can be connected up to 210 watts per plug. The bulbs/lenses are weatherproof and non-removable or replaceable. If one goes out the rest stay on. Product is UL approved. It has a one year limited warranty and is intended for temporary 90 day seasonal use. Light string has traditional stackable, end-to-end plugs.