LightsEtc 72 LED 32ft Warm White String Lights Fairy Battery Operated Light Automatic Timer 8 Modes LightsEtc ADVANTAGE: The battery powered string lights needn't to plug or put in the sun like the solar string lights, which can be used in anywhere conveniently and get perfect work in winter. 6 HOUR DAILY TIMER  ENERGY SAVING: Automated function for convenience. You set the timer and you dont think everyday of turning on and off the string lights. They are also energy saving (the batteries work for 60 days). You dont have to let the lights on when you dont want to. 8 LIGHT MODES: Five kinds of flash mode: Steady On, Light Waving, Chasing, Slow Fading, Combination. CONVENIENT LED INDICATOR: Let you know the status of the string lights and it is very clear about what timer mode you chose. EXCELLENT PERFORMANCE: 4.5V Battery powered lights will be safer than plug in string lights and brighter than solar powered string lights.