The Night Owl Portable Night-Light lives in his AC-powered tree branch base or runs on ordinary AA batteries when removed for portability. Night Owl casts a soft glow at night in yellow, blue or pink (easily selectable by you or your child). Toddlers can take this cuddly friend beneath the covers or to the potty. As an added bonus, Night Owl is the only portable night-light that features "OK to Wake!" Night Owl glows green in the morning (optional) at a time that parents specify. Kids take pride in waiting for the green light before they come visit you in the bedroom with the knowledge of a job well-done. There are no sealed rechargeable cells to wear out! Night Owl features a unique dual-power arrangement for maximum longevity. When Night Owl is placed on his included tree branch base, power is drawn from the wall; batteries are not drained at all. This dual-power setup maximizes battery life while still providing a portable friend that your toddler can carry wherever they go. Soft night-light with three soothing colors: yellow, blue and pink; cool led lighting generates no heat and even turns on automatically during a power outage. Glows green in the morning (an optional feature that is parent-programmable for any ''ok to wake'' time) when it's ok to come see mom and dad. Remains lit all night on ac-powered base, without draining any battery power. Portable! When removed from the base, Night Owl runs on battery power; turns off automatically after thirty minutes Includes us-spec 120v ac adapter with tree branch base and instruction manual; requires three ordinary AA batteries (not included); runs for approximately three months between battery changes with typical use.