[Product Specifications] This solar light replacement bulb has an outer ring diameter of 8cm/ 3.35 inches and an inner ring diameter of 7.2cm/ 2.83inches. Please the size is correct before purchasing. [Waterproof & Stable] Made from PP and PC material, this solar light bulb is built to withstand outdoor elements. This solar light bulb is waterproof, ensuring long-lasting performance even in rainy or damp conditions. The construction makes it to damage, ensuring it can withstand the rigors of outdoor use. [Upgraded Battery Capacity and Charging Panel] This solar light replacement parts features an increased battery capacity of 600mAh with an upgraded solar panel, it only takes 6 hours of daytime charging to shine for approximately 8-10 hours at night. [Versatile and Practical] The warm white LED bulb emits a soft and cozy light, creating a welcoming ambiance in your outdoor space. Whether you're decorating your patio, garden, pathway, or backyard, this solar light bulb is a versatile and practical choice. [Upgraded Multifunctional Use] The upgraded solar light bulbs are no longer simply replacement solar light accessories. Each solar light bulb has a hook, and you can install and hang it anywhere you want to decorate. It is portable and practical. Color: Black Material: plastic Package Contents: 4 * Replacement Solar Light Tops Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.