Sunsbell LED Desk Light USB Adjustable Arm Bedside Light Table Light, Folding Student Reading Light, Study Light,Nice Christmas Gift for friends (Black) 24 LED light,energy saving desk light.Mordern design, elegant appearance,easy to install. Please notice there is only one working mode,it is non-dimmable.We have realized some error in the first batch of the product in FBA inventory. The decription in the user manual is for 2 kinds of desk light,we only sold non-dimmable items from this product supplier. If you have any questions,please contact the seller. The shade is made of PC material with high transmittance,can bear high temperature, anti-scratching. USB power supply can also be connected directly to a household power adapter, 1.5 m long long power cord configurations. LED lamp can be widely used in shopping malls, restaurants, hotels, conference rooms, exhibition halls, home decoration and other places,perfect for bedroom,study room,near the bed,computer desk,office lamp is the ideal choice for Christmas Gifts.