[Upgraded Post Light]Upgraded JOFIOS solar post cap lights enhances its utility while adding elegance to your outdoor space! First, the 8pcs 15 lumen LEDs refract more ambient light through the upgraded lens. Secondly, the upgraded lampshade is less likely to be knocked off when you are walking or running. [Weater Resistant] Solar outdoor lights for fence and deck is made of IP44 waterproof material, which can endure high temperature, heavy rain, wind and snow. Whenever night falls, the waterproof solar powered fence post lights will automatically light up rain or shine. [Easy Installation] These solar deck post cap lights are suitable for 4x4 wooden posts and 4x4 vinyl posts. To install these 4x4 Waterproof Black Fence Post Cap Lights, you just need to screw into the wooden/vinyl post and remove the tab on the light cover. NOTE: When you are mounting on a 4x4 vinyl post, remove the 3.5x3.5 adapter built into the base! [Save Energy] Bright warm white fence post solar lights charg