There are a total of 35 warm white lights on this LED strand. They are 5MM lights, also called polka-dot lights, with a conical shape that allows for greater light dispersion. 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 12.5', including 4" between bulbs, a 4" end cord and a 4" lead cord. The average power consumption is 0.071 watts/LED. The 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. The 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. Great for Christmas and Valentine's Day too.