About this item [One-piece Post Cap Lights] JOFIOS newly upgraded one-piece 4x4 post cap light (H: 1.5 in/3.8 cm, L: 3.9 in/10 cm, W: 3.9 in/10 cm) is small, delicate and structurally stable. Compared to traditional multi-layer post cap lights (divided into cover, shade, and base), there is no risk of the JOFIOS solar fence post light falling off in high winds or being knocked over by pedestrians. [Focused & Energy-saving] We use a reflective lens on each bead of our solar fence post lights to make the light brighter and more intense. Unlike other post cap lights where all the light goes into the darkness and disappears, this waterproof solar light for deck fence shoots more light downward, illuminating the post, even the ground (when unobstructed).Therefore it is very suitable for installation on stairs, gardens, railings, etc. And it high conversion rate photovoltaic panels can convert solar energy into more electricity, it saves the electricity bill and is more friendly to the environment! [Weater Resistant] Solar powered outdoor post cap light is made of weather resistant ABS material with a waterproof rating of IP65. Black 4x4 outdoor solar deck post light can withstand various outdoor conditions such as rain, snow, and extreme temperatures while protecting the post from corrosion and exposure to the sun to extend its life.Whenever night falls, the waterproof solar powered fence lights will automatically light up rain or shine. [Easy Installation] Installation is just 3 simple steps, turn on the switch, place it on top of the post, screw it in and done. Then the deck fence post lights aolar powered will recharge itself under direct sunlight and at nightfall is lit up for over 10 hours. It is worth mentioning that this post cap light is mainly used for mounting on 4x4 wood/vinyl posts. Our package contains the actual size of 4x4 one-piece post cap light and a 3.5*3.5 adapter. This adapter is built into the bottom of the light, if you find the size is too small when installing, please remove this 3.5*3.5 adapter and install again. [Customer Service] If you are not satisfied with any of our outdoor waterproof solar deck fence lights, please contact us. We help you solve issues in time. › See more product details