Wowlamp T800 Dimmable LED Desk Lamp (Space Silver, 4-Level Dimmer, Touch-Sensitive Control Panel, USB Charging Port,DIY) Best Seller and this desk lamp what is the difference?Best Seller is not necessarily the most suitable for you.This desk lamp designed according to ergonomics.Extensive investigations done by WOWLAMP show that for more than 90% of the people,lights emitting at the height around 14 inch can make the eyes feel the most comfortable and can best protect the eyes.Therefore,we have designed a lamp with fixed in 14 inch. Why do you want to choose this desk lamp?Our company specializes in professional design and production of reading lamps.Our designers have worked at desk lamps with great cares from multiple perspectives such as optics,materials science,ergonomics,etc,have continually improved and optimized after four generations of product over a period of 6 years for this desk lamp. Why is this desk lamp more expensive than others?1,More than 80% of aluminum,more solid and durable than plastic.2,CNC processing,higher precision and quality.3,Apple style,When this desk lamp placed with Apple products,you will feel very match,you will think it is a work of art. What is the good desk lamp?It must be very suitable for reading,can protect your eyes,also very beautiful.It doesn't necessarily many functions (such as bluetooth,WIFI connection,music play,etc.),but it must ensure to work safely and stably for a long time.No one likes to be affected moods by electronic products with bad qualities.We can not simply say which is best,but there must be one that is most suitable for you. What are the most important parameters of the desk lamp? The most professional desk lamp should first take into account the comfort of the eye.To prevent glare,CRI,color temperature,brightness,flicker,etc.