Sooo bright very happy with this product pluslight up nicelylook nicejust the right size for the fencecome on automatically at dark and get brighter with movement as claimedto hang them the screws are hidden behind it and it slides down into place i chose not to add the screws where the holes are on topnegeven with a full day of sunlight on them they are not able to stay on until morning i got this to put out by the side of the house near the garbage cans