A renewable and clean energy - powered by electricity, converted from solar power during the day - stored in a rechargeable 1. 2V AAA 300mAH Ni-MH Battery - Runs up to 8 hours with a full charge of sun light.  This backyard decoration for gardens at a full 21.5cm Wide and 12.5cm high makes an impression wherever you put him - on the balcony, patio, in the yard, on the lawn or even on a wide window sill. We take your shopping experience very seriously If you have any questions about solar turtle, please contact seller directly to provide you with a satisfactory after-sales guarantee. Order without worries.