Compact and portable: Collapsible design for easy travel. 3 levels of brightness: Suitable for all lighting needs. Power: Charge by either solar power or 5V DC Micro USB. Size: 18 x 13 x 3cm. Eco-friendly lighting: Get a solar-powered lamp. Robust and durable: Perfect as hiking equipment and fully functional in extreme temperatures up to -40℃. | Collapsible Solar-Powered Lamp - Black | Wowcher