Memory Function String Lights: Upgraded controller comes with memory function, string lights black wire will automatically stay on the last selected mode after cutting off the power. no need to reset again. Remember Every time outdoor string lights are turned on each strand goes into a random mode. If you do not like blinking mode, you can set up string lights indoor steady on mode, such as mode 8 . 8 Lighting Fairy Lights: Purple fairy lights has 8 different lighting modes for you to choose: combination, in waves, sequential, slogs, chasing/flash, slow fade, twinkle/flash, and steady on. led string lights has a dial mode on the controller so you can set decorative lights to whatever you'd like .Fairy lights worked perfect for your black christmas tree. New Upgraded Christmas Lights: Great black wired purple lights! outdoor string lights keep 97% of the electric energy turns into luminous energy, and no heat energy consumption, Super bright with individual LED bulbs are filled with hot melt adhesive layer. antifreezing and antioxidation will ensure durable quality and longer life. IP44 Waterproof & Mini LED Lights: Black christmas lights have passed IP44 waterproof certification. string lights for bedroom greatly improves the stability of the bulb brightness safe and power saving, the power and controller box are not waterproof , Suggest better put room lights as indoor decoration. Attention: please keep dry twinkle lights for the controller and power, use waterproof box or bag to cover if outdoor use string lights for outside. Connectable String Lights Indoor: Indoor string lights is perfect for decorate home office garden bedroom patio yard fence wall christmas decorations new year party birthday wedding dinner holiday decor. Max to string multiple light sets together 6 sets . lights for room decor only support at steady on mode, you can sync string lights bedroom when you connect more than 2 light sets led string lights