These 3.5-25m LED icicle string lights are CE certified and have an AC power source. Depending on your length needs, this holiday decor ranges from 3.5m to 25m total length. The waterproof rating is IP 45, with a water resistance rating of Yes (provided the controller and plug are protected). There is a choice of Warm White/Cool White/RGB colors and the mode has 7 flash + steady light options. Connectivity is also a feature.