The convertible option allows you to plug this light into to a standard outlet or hardwire it as needed. Power cord sold separately. Each light measures 12 inches across. Use with additional 12' lights or other sizes to expand up to 360 watts. Each package comes with one connector cable. Adjustable white color temperature from 2700K to 6500K and dimming capabilities allow for choosing the best lighting experience for your specific needs. 4 LED Undercabinet Lamps