IMPORTANT INFO: Stress in dogs can have different causes and characteristics, therefore success with RelaxoPet PRO depends on the duration and intensity of use. With stressors that are chronic and have been long term, a longer period of use may be necessary before you can notice improvement in your dog.PRO VERSION: The new RelaxoPet PRO version for dogs in NOISE-MOTION mode, recognizes stress in animals in the absence of the owner and activates automatically when required, PRO-TIMER mode with adjustable running time, can be set to sound audible or inaudible for people, LED INDICATOR for easy operation. Stepless volume adjustment. RELAXATION: The subliminal sound waves ensure a quick and extensive relaxation for the animal in a wide variety of situations such as thunderstorms, being alone, fireworks, visiting the vet, traveling, after illnesses, non-animal surroundings, training and much more. FLEXIBLE: RelaxoPet PRO flexibility. Whether your dogs favorite place at home, outdoor application, in the vehicle or in all non-animal environments. Complete with a lithium Ion battery with up to 16 hours of runtime (depending on the settings).Stress Relief and Calming Device for Dogs helps with general Dog Anxiety, Barking, Fireworks, Thunderstorms. Subliminal Sound Calming Aid