echosari [Built in Auto Timer] 20LED Warm White Rose Flower Fairy String Lights 7.5 Feet Clear Cable Battery Powered for Valentine's, Wedding, Bedroom, Indoor Decoration Total 7.5 feet , 20 Warm White LEDs inside Pure White Rose It has automatic cycling timer (6 hours ON, 18 hours OFF each 24 hour period) Place the black button in the middle (button in the upper battery box) to activate automatic cycling timer Battery Powered LED string lights, Energy saving and Longer life, Safe and Can by used anywhere 8 button-controlled light sequences (Combination, In Waves, Sequential, Slo-Glo, Chasing/Flash, Slow Fade, Twinkle/Flash, Steady on)