:The tiny bulbs are USB powered, no batteries are included, available for any USB interface, like laptop and mobile power, you can charging anywhere and anytime, environmental and efficient. Warm white colours light can brighten up your life at any season. Ideal illustration for any corners of house (ceiling, windows, wall, gate, curtain, desk, table, bed, screen, campsite, tents, tree...). Perfect for home, room, bedroom, kitchen, patio, porch, cafe, bistro, garden, dorm, wedding, birthday party, camping, tree and wall decoration. Features: String length: 3m Light bulb material: Iron Colour of the Lanterns: rose gold Light colour: Warm White Note: * It cannot be connected with other light string. * Our fairy light are waterproof, but the battery holder is not, so you need to it dry when you use it.