-Automatic Dusk-to-Dawn Sensor: With the automatic dusk-to-dawn sensor the stone seamlessly turns on at dusk and off at dawn. Simply switch the stone on and let the sensor do the work. -Waterproof and Weatherproof: Designed with a waterproof IP67 rating, this stone is suitable for both indoor and outdoor use and ensures long-lasting performance under harsh weather conditions. -8 Colors: Conveniently change the stones to 8 different colors. -Versatile Decor: Place the stones in the ground with the built-in ground stake. -Solar Powered: The stone is powered by the sun through solar technology. This allows the energy of daylight to be harnessed, even in low-light conditions. After fully charged, the stone lasts up to 12 hours. -Materials: The solar stone is made from high-quality ABS and acrylic. -Dimensions: The stone is 6 inches (16 cm) in height, 16 inches (40 cm) in length, and 12 inches (30 cm) in depth.