Waterproof LED Icicle Lights.Optional Timer. 8 Multi-Function 1: Combination, 2: In Waves, 3: Sequential, 4: Slow Glow, 5: Chasing, 6: Slow Fade, 7:Twinkle, 8: Steady On, 9: OffIdeal for attaching to gutters etc to give your house or business a real festive lookPlug to be kept indoors or in a dry box.Due to the size of the plug on these lights, it will not fit inside an outdoor plug socket.