You can use the light for a long time with high-performance battery and life waterproof characteristic. With polycrystalline silicon solar panel, it is not afraid of rain and can be charged even in rainy days. Made of ABS material, the light has good sealing performance, wear resistance and is not easy to damage. The length of the product is 12cm, the width is 6cm, and the height is 10.5cm. It is suitable for courtyards, stairs, lawns, gardens, parks, etc. Item Name: Buried Light Material: ABS,PS Operating Hours: 10-12H Batteries: 3.7V/1000MAH Battery(Included) Charging Time: 6-8 Hours Waterproof Grade: IP65 Charging Method: Solar Charging Induction Mode: Charging During the Day and Bright at Night Lumen: 180 LUX Authentication: CE/ROHS Solar Panels: 5.5V/0.8W Polysilicon Lamp Bead Type: 2835/24PCS Induction Parameters: Light Perception Size Details: 12cm x 6cm x 10.5cm(Approx.) Notes: Due to the light and screen setting difference, the product's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 4 x Buried Lights