Threshold&trade; Solar Metal Flower String Lights (20ct) Bulb Type: LED. Features: On/Off Switch, Outdoor. Includes: Instructions, Light Bulbs, Ground Stake. Warranty Description: 1 Year Limited Manufacturer Warranty. Battery: Required, included: 2 nickle metal hydride AA. Run time up to 7 hours. Lighted Length: 9 feet Total length: 14 feet