Portable - The LED night light is battery powered. It comes with a 1500mAh recrgeable battery tt lasts up to 48 hours. You can always connect the light to a wall outlet as a regular bedside night light. You can disconnect it when needed and carry a portable lamp at night for added safety. Or take it camping outdoors as an emergency light. Dimmable - The bedside table lamp s a built-in touch dimmer with 3 brightness levels, you can easily cnge the brightness by tapping the lamp. The lowest setting produces a soft light for better sleep. Its highest setting provides extra brightness for comfortable reading or parenting purposes without disturbing your sleeping partner or baby. UNIVERSAL USB CRGING - The recrgeable lamp comes with a USB adapter for crging. Even if you lose or forget to bring its adapter, you can still crge the bulb by connecting the cable to any USB port, including laptop, computer, power bank, wall outlet or power strip. A Beautiful Addition to Your Home - With a sleek and understated design, this new lamp adds ambient light to decorate your home or office without taking up too much space. With its built-in battery, you can place the light anywhere, such as a nightstand, shelf, table, side table, dining table, and more... Package: 1 piece light