About this item Incandescent Steady on & Blink Lights Set: Unlike traditional incandescent Christmas lights that only offer a steady-on option, our brown string lights provide both steady-on and blink modes in one convenient string. To switch between these modes, simply replace the bulbs with either the normal or blinking bulbs provided. For your safety, always remember to unplug the lights before replacing the bulbs and follow all provided instructions for proper installation. Connectable Christmas String Lights: Our clear christmas lights with tail plugs can be connected end to end up to 5 sets (500 lights), greatly expanding the lighting range to meet your decorative needs in a variety of scenarios. Perfect for decorating homes, yards, trees, shows, festivals and more. UL Certificated Brown String Lights: Our brown wire christmas lights are made of high-quality materials and exquisite craftsmanship, the bulbs and wires are very durable, have a long lifespan, and are UL certified to ensure safe use. Warm White Tree Lights: Light bulb 360ºbeautiful warm white light shines like stars, dazzling also protect the eyes, creating a more romantic festive atmosphere, very suitable for birthdays, parties, weddings, festivals, Halloween, Thanksgiving, Christmas decoration. Outdoor & Indoor Decorative Lights: Our blink christmas lights are IP44 waterproof and can be used for indoor and outdoor decoration. They are easy to install and can be easily hung or wrapped around the place you want to decorate. Ideal for decorating your bedroom, stairs, windows, porches, terraces, railings, gardens, gazebos etc.