Spread a little luck of the Irish with these novelty shamrock string lights! They feature 20 mini green shamrocks on a clear wire with a battery pack. The battery pack has an on/off switch and the best part is that if one bulb goes out the rest stay lit. Details:Green bulbs with clear wireGreen shamrock-shaped light covers 7 ft. (2.1 m) lighted length7.8 ft. (2.3 m) total length20" (50.8 cm) lead cord4.5" (11.43 cm) spacing between each bulb20 concave mini wide angle bulbsRequires (3) "AA" size batteries; not included Automatic timer function with 6 hours on and 18 hours off Non-replaceable bulbs On/off switch located on back of battery pack Cannot connect multiple sets together Plastic and wireSuitable for indoor use only