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These Opernee series totally awesome solar fence lights! Keep in mind I just installed them a day ago, so I can’t speak to long term performance or durability. As my title indicates, out of the box they seem to be a very high-quality plastic housing and are nicely made.
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When I ordered them, I didn’t pay attention to their size, I really went on two things - overall high reviews and price for the 2 pack. When they arrived, I must say I was very surprised at how much smaller I’d thought they would be. One easily fits into the palm of your hand. The box with all packed safely Installation Height: 1.2—1.5 meters (3.9—4.9 ft)
Installation couldn’t be easier, and mounting screws and wall anchors are in the box. I have mounted mine to my vinyl siding using small velcro pads. We’ll see how that lasts, but they are not heavy, so I’m hoping it will hold up. It also allows me some flexibility to relocate without leaving holes in my siding.
Upon installing them yesterday, I will say the light does not spotlight intensity. If you’re looking for a very bright, large area to light, this may not be the choice for you. But to cover a smaller area with a softer/wider light projection (say a 20' x 20'), these would be ideal. Motion detectors pick up a good distance away. One on my shed is 30' from the base of my steps off my deck, and it lights when I step down to the patio. Without any movement detected, the auto shut-off after 30 seconds.