Sometimes, opening the ceiling light will disturb others' sleeping at night. This portable table lamp will be your good choice. Lovely cartoon animal design, a wonderful desktop ornament. light will protect your eyes, more focused light is suitable for reading. Features - Color: gray+white. - Material: plastic. - Size: 30.00X11.00X7.30cm; 11.79X4.32X2.87in . - Made with eco-friendly plastic material, durable for long term to use. - and comfortable eye-protecting color light, safe and no harm to your eyes. - Essential for desktop, perfect for holding pen pencils stationery effectively - Easy to charge, powered by USB, can be used for long time. - Small and exquisite table lamp, not only protect your eyes, but also highlight your dorm life. Specification Battery capacity: 400 mAh Voltage input: 5V Voltage output: 4V Power input: 3W Power output: 0.6W Input current: 1 A Output current: 0.5A Input frequency: 50Hz Gear level: 1 gear