Blue Color Stainless Steel Solar Power LED Light Pathway Landscape Garden Lamp Battery: Pre-installed Rechargeable AA, 1.2V/600mAh Ni-Cd, can last up to 2 years before replacing Sensor: Automatic sensor activates at dusk Solar Panel: 2012 New and IMPROVED solar panel for better charging performance Outer Material: Stainless Steel and Plastic Safe and waterproof with CE certified LED light bulb