The wires and lamps can be used outdoor or indoor. 7 Modes and easy to use: modes including combination, in waves, sequential, slow glow, chasing flash, slow fade, twinkle/ flash, and steady on. Widely use occasions: Great backdrop for party, wedding, shows, restaurant, hotel, commercial building, shopping centre, pub, concert, hall, etc.; Can be hung on walls, windows, doors, floors, ceilings, grasses, trees, etc. Perfect after-sales: All the lights were carefully checked before going up to sell ,if you have any questions or problems with our products, do not hesitate about contacting with us at any time, we will help you in the first time. 100 LED lights with 4.95m total length, 300 LED lights with 14.95m total length, 500 LED lights with 24.95m total length