1. Hummingbird Bedroom Lamp Design --- the LED small lamp design inspiration is from the bird outside of window. the cordless lamp was powered by 1800 mAh rechargeable battery,allowing 4-hours continuously use in the brightest level and 1 week use in the darkest level. it is not only great to use as normal bedside night lamp with connecting USB power but also camping light with recharge function. 2.3-color & Dimmable brightness ---- the led table lamp was built in touch sensor to be used as touch lamp r touch light. you can choose 3 colors (white/normal white/warm) as your need by short touch and adjustable brightness by long touch. the darkest level (25% brightness) is for better sleep and the brightest level( brightness) is for reading and nursery purpose without disturbing family members and babies. 3.Easy to Install---the lamps come with a keychain,you can hange anywhere as you need. you also can easily remove it by yourself without any tool. 4.Multi-Function --- you can use the portable bedside lamp as desk reading lamp,desk study lamp,office work lamp,computer beside lamp with 6000K brightness. it is the nurse / nursery lamp and night light,bedside light with warm light. reading essentials for college dorm room essentials,home bedroom,office,student apartment,decorating your table desk,bright your heart .