Portable Hummingbird Bedroom Lamp Design --- The LED lamp's design inspiration comes from the bird outside the window. The cordless lamp is powered by an 1800 mAh rechargeable battery, allowing 4 hours of continuous use at the brightest level and 1 week of use at the darkest level. It is not only great to use as a regular bedside lamp connected to USB power but also as a camping lamp with a rechargeable function. 3-color & Dimmable brightness ---- The LED table lamp has a built-in touch sensor to be used as a touch lamp. You can choose 3 colors (white/normal white/warm) as needed by short touch and adjustable brightness by long touch. The darkest level (25% brightness) is for better sleep and the brightest level (100% brightness) is for reading and nursery without disturbing family members and babies. Easy to install --- the children's lamps come with a keychain, you can hang it wherever you want. You can also easily remove it yourself without tools. Perfect Christmas gifts --- The LED bedroom lamp is the unique small gift for family members or friends, student gift as a birthday gift, Mother's Day gift, Father's Day gift, anniversary gift or Valentine's Day gift for your beloved wife/girlfriend, teacher's day gift, Thanksgiving day gift, Christmas gift, wedding anniversary gift. The bedside lamp takes care of your life. Size 21.5l*6w*15h cm