10M 100 LEDs battery-operated weatherproof string lights on clear cable can be used indoors or outdoor without trailing cables or an external power supply.Timing program (6 hours on, 18 hours off) provides a set-and-forget operation. Set the mode you need before switching to 'TIMER OPTION', removing or changing the batteries will delete all previous settings.Variable mode (8 Modes) provide the perfect solution for your decorative lighting needs. These lights have memory function,once the mode is selected, the lights will work in this mode next time and you don't need to worry about re-set until battery power is depleted.