Battery Powered 2M 20 LED Rattan Ball String Lights, Christmas, Partys, Wedding & Outdoor String Lights (Purple Mix) This is a Rattan Ball string, total 2M with 20 Warm White LED Bulbs which Projected Lifespan Of Up To 50,000 Hours Two Function modes: steady on and twinkling 4 x AA batteries required (not supplied) Great for decorating your Christmas tree, parties, wedding, wardrobe, table, garden, fence, patio, ect It's not fully waterproof, please keep it from rain and dampness when you use it outdoor.