ZITRADES&reg Everlasting Battery Operated Blue 40LED Micro LED Light String With Timer Function 4M/13FT long ZITRADES Super Bright LED Lights on Super Thin String Silver Wire with Timer Function: 6 hours On and 18 hours Off . 13FT long 40 LED Micro LED Light String Last for Over 50,000 Hours and Use Fraction of Energy Needed by Regular Bulbs ZITRADES Warranty 1 Year !