There are 70 blue lights on this LED strand. They are M5 lights, also called mini ice lights, with a 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 22 gauge. The total strand length is 23', including 4" between bulbs, a 4" end cord and a 4" 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. Comes packed in a polybag. 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.