Which product works better for deterring cats: the ScareCrow of the CatStop?

While both products effectively deter cats, the CatStop can be used places where the ScareCrow is unsuitable (anywhere that spraying water would be unacceptable, or where a water source is not easily available). For example, the CatStop is a perfect solution for keeping cats out of carports and garden beds near public walkways. The ScareCrow has a larger sensing range and is an excellent device for keeping cats off lawns, and away from ponds and gardens.