Build & Design: Our office desk lamp comes with a minimalist and futuristic design, made with Aluminum body and other excellently sourced material. Its flexible arm can rotate in 180 degrees horizontally and vertically. Controls: The table reading light comes with a smoothly rotating knob, that allows you to control the color temperature of the light between 2700k to 5000k CCT. Our desk lamp can also be used with our Linkstyle smart app which provides several other additional features such as customized scenarios, timer function and light fade in/out scenes. Lights: The brightness of the lights is 500 Lumens, with color temperature ranging from 2700 - 5000k with a 25000Hrs lifetime. The Lights are stable and does not flicker, preventing any visual fatigue and protecting your eyes. App Functions: With our Linkstyle mobile app, you can remotely control and customize the settings and features of our desk lamp.