【Dimmable】This patio string lights is compatible with dimmer to diming the brightness by remote, or connect with smart dimmer for voice control and phone control(Dimmer Sold Separately) 【Shatterproof & Waterproof】The LED bulbs are made of plastic and much safer and durable than traditional glass bulb, which won't break if dropped. Hanging lights for outside patio withstand all weather for year-round enjoyment 【Connectable】Exterior lights string have end-to-end connections, which means you can connect multiple sets to achieve the perfect length for any installation(up to 37 strands) 【Long Lifespan】High efficent LED bulbs save over 90% energy over incandescent bulbs, which save your electric bill. LED string lights with long lifespan could reduce maintenance costs on changing bulbs frequently