1. [Dimmable & Brightness Memory] - One sensitive button to control, long touch to adjust brightness, short touch to turn on/off. The tap light can remember the last brightness level you set, so you don't have to reset it every time. 2.[USB Rechargeable & Energy Saving] - The rechargeable touch light use USB charging and built-in large battery. 3.[Comfortable Eye Care Lighting] - it emits a comfortable warm white light that protects your eyes and makes you relax. 4.[Easy to Install & Portable] - The rechargeable lights built-in magnet on the back, you can stick directly to any metal surface. And you can use the upgrade tape to stick on non-metal surface. 5.it is portable and can be easily install in the bedroom, kitchen, under the cabinet, counter, wardrobe, desk, wall.