I have two of these lights mounted on my fencing around my pool. They work great. There are so many LED lights in them that they light up the pool for night swimming perfectly. I wanted something that I could see to the bottom at night and these lights are perfect. My daughter likes to swim at night and so do I. Not only do they come on with motion, you can turn them on and off completely. They were cheap enough too. We bought ours at Costco before we knew Amazon carried them. Great investment providing more swim time for us.