USB POWERED: Can be powered by USB port or a power bank(USB Port And Power Bank are Not Included); free from batteries; With a power bank or laptop, the String Light can be used anywhere such as indoor, bedroom, camping, party, wedding, cafe, Patio, Tapestry, Parties, Outdoor Garden, Gate, Yard, Holiday Decorations, commercial decoration etc. FLEXIBLE AND DURABLE: 100 micro super bright LED lights; 33ft long ultra-thin silver wire; 4 inches distance between LED bulbs; You can use it to cover virtually any area or structure and create a romantic atmosphere in your home, restaurant or shop. With the remote controller and the button in the USB Plug, you can also adjust the brightness or switch between 8 lighting modes: Combination, In wave, Sequential, Slo glo, Chasing/Flash, Slow fade, Twinkle/Flash, Steady On. With the Timer In the remote controller You can achieve 6 hours on, 18 hours off the function, very user-friendly(7:00PM ON-1:00AM OFF Then 7:00PM ON 1:00AM OFF Next Day). WATERPROOF & SAFE TO USE:: The USB string lights is waterproof and can be used both indoor and outdoor (But the USB plug and the Joint are not WATERPROOF);