Product Description Cool to Touch Using 4.5 watts low power LEDs and heat insulated copper wire to keep the light in cool temperature. You can safely touch it even after long hours of continuous use. Copper Wire Technology The wire covered in the clear plastic is copper wire, which is really flexible, conductive and durable. Safe to Use The power adapter is certified with UL. Its 4.9 feet cable will make sure the adapter is tucked away safely. High Brightness 306 LED lights brighten up the happiness atmosphere inside or outside. Advanced Lighting Source The source of light is a row of LEDs, which disperses light very well and provides powerful yet even light without harsh glare or shadows. Widely Used Decoration of Party, Wedding, Festival, Shows, Restaurant, Hotel, Commercial Building, Shopping Center, Pub, Concert, Hall, etc.; Can be hung on walls, windows, doors, floors, ceilings, grasses, Christmas trees, etc. Specifications: Color Temperature: Daylight White 6000K Input Voltage: 120V LED Quantity: 306 Lifespan: ;50000hrs String Quantity: 18 Interval btw strings: 7.8in Size: 9.8ft x 9.8ft; Material: Plastic+Copper Plug wire to the controller: 4.9ft Cable color: Transparent white Note: These LED curtain window lights cannot be linked in series or cut into shorten length. IP44 rating can only keep the lights away from water splashing, please don't use it in heavy rain.