The working principle of solar underground light: The solar light control lamp relies on the solar panel to absorb sunlight during the day and convert it into electrical energy stored in the rechargeable battery in the lamp body. When it gets dark at night, it turns on automatically. Energy saving, green environmental protection and practical and simple. Advantages of solar buried lights: Solar buried lights are energy saving and environmentally friendly , green lighting, long life, durable, low maintenance rate, high stability without radiation, simple installation, easy to use, intelligent light sensor control, no need for adjustment, energy saving and practical. , make your home more beautiful and smart. Application scope of solar buried lights: Solar buried lights are suitable for corridors, garden gates, courtyard walls, to villas, shops, homes and other indoor and outdoor environments.No wiring, no electricity, exquisite workmanship and unique taste. Size: as shown Color: as shown (warm light). Quantity shipped: 2 pieces Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.