Mobile solar light ball for the gardenthe light ball is simply placed on the water surface or can be set up in the garden with a ground stake or holder at night the light turns on automatically and illuminates comfortably into the night the use of several balls creates particularly beautiful effects light time with full battery approx 20 hours operating voltage 36v battery pack nimh 36v600mah deliver including battery ground stake and plate holder to set upthe solar ball is not i