Sponge is named after sponges in the forest, where the inspiration for design, shape and expression also is found. The simple design and soft shapes make Sponge an incredibly elegant series, suitable inside and outside the home. With the built-in battery, Sponge can be placed and moved as you like and simultaneously, the brightness of the light can be adjusted in three levels. The battery has a durability up to five hours at full power and even longer if the light is turned down to a cosy lighting. The lamp is easily charged with the included USB cable. There are many opportunities with this beautiful portable table lamp. Place it on the terrace or balcony a nice summer evening or on the sideboard inside the house like a regular table lamp. Sponge is produced of hard plastic and is durable against wind and water. - Nordlux Modern Outdoor Table Battery Light White Plastic Intergrated LED 3-Level Dimming - Battery, IP65