Ambient Weather WS-01T Color Changing Wireless Temperature Night Light with Backlight, White, Small The colorful WS-01T night light featuring ambient backlighting is easy to read from any distance The bright LED backlight color changes with the indoor or outdoor temperature, providing instant Feedback on whether a room is too hot or too cold, or the weather outside it comfortable Perfect for identifying hot and cold spots in your home or facility at a glance. Keep an eye on the weather outside from the comfort of any room in your house Plug into your AC wall outlet, and light your way with Ambient Weather Informative ambient back light displays Ideal for every room in the house