XIAOKOA Desk Lamp​ - White ​LED Desk Lamp​ with Smart Features (Clock, Alarm, Date, Temperature) - Adjustable, Foldable ​Table Lamp​ - 3 Levels of Dimmable ​Lighting​ - Suitable for ​Office​, ​Bedr

For the price, the study lamp has a lot of features. Runs on battery as well. Here is a secret tip, I use this for filming my YouTube videos as well LOL. So, it is multipurpose too... Happy with the product.

In 3 months only it became yellow from white led.. Bad quality

Not working. It lasted less than a month.