●【Rechargeable, Portable】Built-in 2500mAh lithium battery, can work continuously for 6 hours at maximum brightness. ●【Multi-level Brightness】10 different levels of brightness adjustment can be achieved by touching the button to match the ambient brightness of the work background and improve efficiency. ●【Environmentally Friendly Light Source】Light pad has built-in flicker-free LED lights, which will not cause damage to the eyes when working for a long time. ●【Wide Applications】Perfect for sketching, watercolor painting, oil painting, diamond painting, weeding vinyl, X-ray viewing, etc. ●【Physical Buttons】Compared to touch switches, physical buttons are effective in avoiding light box closures caused by unintentional touches during the creation process.