Evaluate .... this Animal Repeller after we had him now a few months in operation. The legacies of neighboring cats have led us to try this measure because we are fed skiing felt really ... been. Since this part is in the garden, the situation has improved significantly. Once loaded the Animal Repeller has held about 4 months and after having been charged a few hours, he does now continue its services. Before so if the "gift" of neighboring cats completely desperate, you should try this device definitely.