... wireless design is convenient for you to decorate your garden. It includes built-in Ni-Cd battery. Simple assembley ... most public locations (such as street, bridge, dock, garden, etc)specification:Light Source:LEDSolar Panel: Crystalline siliconBrightness:4500mcdBattery: ... The lifetime of LED light:over 10,000hoursInstallation:Ground (lawn), Wall, Corridor,pathways,driveways,pool side,patios,etc solar ...