Material: High quality ABS, lightweight and durable; cut : 13.5 x 5 x 40cm / 5.3 x 2 x 15.8inch (length x width x height); easy to carry Product parameters: power: 5w; color temperature: 4000-45000k; light source : LED Multifunction: can be placed on the desk, clipped to the desk / book / bed as a night light, or used as a flashlight with an external battery in case of emergency Eye protection: lightweight design, protect your eyes while saving energy and avoid affecting your family's sleep Note: Adapter is not included. You can use cell phone charger, cell phone adapter, USB port on computer or mobile power supply as power source Product specifications: Contents Package Included 1 x LED Desk Lamp (Blue) 1. Manual measurement, there will be some errors in the size, please refer to the actual size 2. Due to the light and screen difference, the product's color may be slightly different from the picture.