The solar powered Lumo lamps are easily chargeable. Simply leave them out in the sunshine during the daytime and light they will automatically light up when the sun sets. The lamps can operate up to 12 hours, they are also USB chargeable, weatherproof and have three light settings. The Lumo lamps are entirely made of a powder coated aluminum sheet and create a relaxing atmosphere when lit. The contemporary and minimalistic design allows you to integrate the lamps into any surrounding.