Features: * ER CHEN fairy lights is made from high quality LED bulbs and 3-Strands green copper wires. The wire part is fully sealed, with waterproof level IP65, which means you can use it indoors/outdoors freely. (Note: The power adapter is not waterproof. If used outdoors, you need to provide waterproof protection for the adapter) * The green copper wire is flexible enough to be easily molded into any shapes that you desire, without worrying about being damaged. You can also combine some fairy lights to create your own design, with unlimited creativity, realize your own perfect DIY project. * This ultra thin green copper wire barely visible in plants or the dark, it is perfect for Christmas trees, garlands, as well as your balcony, gardens and all the green plants. The light strings can merge with the background, leaving only warm and bright lighting, let your imagination and creativity run wild. All Occasions: Use for wreaths, decorative trees, weddings,baskets and so on. Beautify your patio, deck, front porch etc. Can be wrapped around almost anything, i.e. stairs, tables, chairs, balcony, or bedroom, anywhere you can imagine. Technical Specifications: String Length: 99ft/30m / Adapter cable length: 6.6ft/2m LED Quantity: 300 LEDs / Lamp Spacing: 3.94in/10cm Adapter input voltage: 120v 60Hz 0.22A Adapter output voltage: DC 12V Wire Color: Green / Wire Material: Copper Wire NOTES: 1. The string light could NOT be extended or connected with other string lights; 2. Do NOT apply excessive force or repetitively bend the same spot. SURVIVE IN THE WINTER It's available to work between -20-60 degree centigrades, let the lights add some colors for your winter holidays. ​WATERPROOF The light strings are IP65 waterproof, but the power adapter is not waterproof and should be used with waterproof receptacle cover when used outdoors. PACKAGE INCLUDES 1 x 99ft green copper wire string light 1 x US adapter withUL certification Erchen Battery Operated Led String Lights Erchen Color Changing Led Plug in String Lights 2 Pack 33ft/100 LEDs USB Color Changing Silver Wire String Lights ER CHEN Color Changing Battery Operated Fairy Lights 1 Set 33ft/100 LEDs Plug In Copper Wire String Lights Add to Cart Buying Options Buying Options Buying Options Buying Options Customer Reviews 4.5 out of 5 stars 490 — — — 4.4 out of 5 stars 871 Price $10.99$10.99 — no data — no data — no data — no data Length 33ft/10m 33ft/10m 33ft/10m 33ft/10m 33ft/10m LED Qty 100 LEDs 100 LEDs 100 LEDs 100 LEDs 100 LEDs Light Color White Multicolor/Warm White/The combination of two colors White/Warm White/The combination of two colors White/Warm White/The combination of two colors Warm White Power Source Battery Powered Plug in USB Battery Powered Plug in Color Change X ✓ ✓ ✓ X