SQUARE SOLAR POST CAP: Elegant 100x100mm black cap with 8 LEDs emits warm white 3200K light at 8 lumens for subtle garden illumination. AUTOMATIC TWILIGHT SENSOR: Built-in dusk-to-dawn sensor switches the light on automatically at nightfall and off at sunrise, requiring no daily maintenance. UP TO 8 HOURS RUNTIME: Powered by a 2.5V/150mA solar panel, the replaceable 1.2V AA 600mAh Li-ion battery provides up to 8 hours of continuous light per charge. TOOL-FREE INSTALLATION: Simply place the cap over a 100x100mm post with no tools, cables, or specialist knowledge needed for a quick and secure fit. DURABLE OUTDOOR DESIGN: Made from sturdy plastic with dimensions of 101x101x63mm, this cap withstands harsh weather while decorating paths, patios, and driveways.