I bought on for each level and they really provide bright light when you have a power failure. Duration is for a good amount of time provided you buy good batteries. I bought 3, told others and now everyone I know uses them. Nice colors too!
Love these lights - they are bright! Liked the first set so much, I ordered 4 more sets! Have them hanging over the BBQ for the late night cook outs and others in our camping gear to light up the tent.
I could have bought this small light at the dollar store. The pack of four are the batteries included. The only good quality about this is that it is magnetic on the bottom and I can attach to the lamp next to the bed. The batteries do not have a long life.
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