1. This Modern Floor Lamps is Fully Stepless Dimmable Pattern from 0 to 100%, which means you can rotate the switch to set any brightness as you like. 2. Our Standing lamps are designed with a 270º horizontally & 90º vertically ratating head, you can screw the lamp shade to any angle you like, which is very proper for reading and working. 3. 1000 Lumens Bulbs included, perfect for reading and studying, protecting your eyes from flickering lights. 4. If your lamp has any defect or stops working within 3 years, we help you troubleshoot or send a whole new product. 15% Brightness - - Sleeping, meditation or tell a story. 50% Brightness - - Watching movie, playing electronics. 100% Brightness - - Studying, reading, working or family life. Q1: What is the height of this floor lamp? A1: We have extend the height of the lamp to 65 inches, which will make you never mind too short to fit. Q2: Can the led light bulb be replaced? A2: Yes, you can replace the light bulb with dimmable light bulbs. Q3: Is this step-less dimmable? A3: Yes, it supports fully dimmable, the brightness can be adjusted by the rotary switch. Q4: How can I do if the lamps stop working or have any problem? A4: If your lamp has any defect or stops working within 3 years, we help you troubleshoot or send a whole new product.