RelaxoPet PRO can do more than just relax your pet, it also monitors all stressors of the animal in the absence of the pet owner. NOISE-MOTION is a real revolution. Two newly integrated sensitive micophones detect the ambient volume when the pet owner is absent. Should the animal ever get stressed or bark, this RelaxoPet PRO recognizes NOISE-MOTION and switches itself on automatically.As a pet owner, you can be completely safe and worry-free. RelaxoPet PRO monitors your pet in your absence.Charging RelaxoPet PRO is also super-easy, with its Micro USB charging cable.