Energy Efficient: LED bulbs use 1 watt each, providing bright illumination with significant energy savings compared to traditional bulbs. Durable Construction: Made from thick, unbreakable PET plastic, these bulbs are waterproof and can withstand extreme temperatures. Customizable Lighting: With 30 sockets and 32 LED bulbs (2 free), you can connect up to 20 strings for versatile outdoor lighting. Easy Installation: These lights are designed for quick and simple installation, making them ideal for patios, decks, gazebos, and more. Wide Applications: Perfect for indoor, outdoor, dorm, cafe, bistro, camping, balcony, gazebo, canopy, house, village, apartment, festival, wedding, birthday, Christmas, party decoration.