Peasur 4X4 Solar Post Lights Outdoor 4 Packs Purple & Warm White Led Fence Caps Light Waterproof Wood & Vinyl Post Top Lighting For Deck Mailbox Railing Porch Outside

1. What Is The Size Of The Post Lights? What Size Of Post Is It Suitable For? The Solar Post Light Size Is 4.1*4.1*1.97In Suitable For 4In Wood/Vinyl Posts. 2. How To Adjust The Mode? What Are The Modes? By Pressing The Bottom Button Of The Solar Light To Switch The Mode You Can Choose Purple(50% Or 100% Brightness) Warm White (50% Or 100% Brightness). 3. What If The Fence Post Lights Does Not Work? Please First Confirm That The Switch Button Is Turned On There Is No Strong Light Above The Solar Panel And It Is Fully Charged During The Day. 4. What Should I Pay Attention To During Installation? First Cover The Solar Panel To Test Whether The Post Solar Lights Is Working Properly Tear Off The Film Select The Mode In Advance And Place It In A Place Without Shadows.