@@Viikk785 Thank you for letting us know. You do not have to use the shock portion, INVIROX Dog training collar is providing you with 8 Levels of Beep & 16 Levels of Vibration - Leaving you with much options to chose from to help you better communicate with your dog while Off-leash. Please read some articles in that matter - www.invirox.com/blogs/dog-training-solutions And Don't hesitate to come up with any question you might have at our email address - Support@invirox.com . All the best, INVIROX
