Perfect Christmas Outdoor Decorations Lights - The Christmas lights can be hang indoors or outdoors which will create a warm and active atmosphere for your holidays. It can be widely used in wedding, party, garden, commercial building, shopping center, bar, trees... 8 Lighting Modes - Combination, in waves, sequential, slogs, chasing/flash, slow fade, twinkle/flash, and steady on, total 8 Modes for options. Press mode button selects 8 different modes to satisfy your diverse needs. Timer & Built in Memory Chip - There is a button on the adapter, short press to choose mode, and long press 3s until the green lights on, then timer is activated. The star Christmas lights will 6 hrs on and 18 hrs off automatically. Built in memory chip will save your last mode setting and no need to reset the mode every time. Waterproof IP44 & Easy to Operated - The outdoor Christmas tree lights is waterproof and you can hang the Christmas string lights outdoor, just remember to keep the