This little light is a perfect night light because it is motion activated. So there is no extra usage when it's not needed. It runs on batteries (3AAA not included) so there is also no electricity usage which is nice. This little light is bright for it's size. The picture is taken on the keyboard of my laptop so you can see approximately how big it is.
The picture above shows how bright it is. According to the description on Amazon, it will light up to 9 ft. from the sensor. I'm not good with measurements, but I can say it lights a pretty good area.
This can be attached to the wall with a sticky pad on the back of it which is velcro so you can remove the light easily when the batteries need to be changed. This light works well for the money so I would have to say it's a great buy.
You can get it here on Amazon.
Have a great day!