Lamps descriptions： We use high-quality raw materials, all materials are very suitable for the product, please rest assured to buy. 3m Led Cotton Ball Garland, String-fairy Lights Decoration Set 3. 3M LED Cotton Ball Garland Lights String-Fairy Lights Decoration Set 3 Featues --Home /Bedroom Decoration and Outdoor/Garden Lighting --Ideal Lighting for Holidays Such As Christmas, Easter, Halloween As Well As Birthday Parties and Wedding Occasions. --A Beautiful Gift for Someone Special Or for Yourself. Specifications Cotton Ball Quantity: 10LED/20LED/30LED/40LED/50LED Size of Ball: Diameter 6cm Length: 1.5M/3M/4.5M/6M/7.5M Color: As the Pictures Show Operating Voltage: 3*AA Battery or AC 220V Can Use All Country Worldwide Plug Type: EU **The Difference Between Battery, USB, Plug and Remote Control** Battery: Use 2AA or 3AA Battery, Put the Battery in the Battery Box, the Cotton Ball Light Will Light Up; USB: Applicable to Appliances with USB Socket, Such As: Charging Treasure, Notebook USB Socket, USB Socket Plug, Link to the Powered USB Socket, the Ball Light Will Light Up; Plug: The Plug Needs to Be Plugged into a Live Outlet for the Light to Illuminate. Remote Control: The Remote Control Model Needs to Put the Battery in the Battery Box. The Remote Control Can Turn on and Turn off the Ball Light at Any Time. The Most Convenient One Among the Four Power Supply Methods. Package Include: 1*LED Cotton Ball String Lights (without Batteries) . Products number : SOMONO105761