The office desk lamp is ideal for reading, study, so you can enjoy what you are doing for longer.Product Name: Eye protection table lampProduct material: ABS, aluminumProduct voltage: 111V-240V (included)Product power: 6W-10W (included)Product size: length 13.8cm, width 13.8cm, height 40cmProduct weight: 682gProduct color: blackSwitch type: touch switchProduct application: home bedroom, living room, study, corridor, student room, etc.1 Please check the size and color before purchasing.2 Does not include items other than those shown in the product photo.3 Please note that due to the different monitors, slight chromatic aberration may occur, please understand.4. The above data is for reference only, the size is manual measurement, each variable may be different, please refer to the actual product, thank you.5. If you find any problems with our products, please feel free to contact us by email and we will resolve the problem as soon as possible.6. Welcome your sharing and feedback so that we can provide you with better products and services.7. Thank you for visiting my store, click to enter my store, there will be a lot of products for your reference, logistics, generally we will ship within 1-3 days, the estimated arrival time is 9-15 days.