String Light Cord C7 with 10 CLEAR Bulbs - 30 foot green cord with 10 C7-5 watt CLEAR bulbs. 120 volt UL approved. Use with our plastic lanterns. Switch bulb colors cords for a different effect for your next theme party, but use UL approved C7-5watt bulbs only. 1 - 10 bulb, 30 foot electric light, green color cord, 36" between bulbs, end connectors. Caution: No more than 4 string light cords connected to one power source.