BEFORE PLACING YOUR ORDER CONTACT US SO WE CAN CONFIRM AVAILABILITY AND OFFER YOU A DISCOUNT CODE. YOU MAY DO THIS VIA CHAT OR EMAIL [email protected] SEND US THE PRODUCT NAME AND WE WILL PROVIDE THE DISCOUNT CODE. WE PREFER CHAT TO GET RESPONSE.Our bark collar has 3 extremely efficient and safe training modes (beep, vibration and shock modes) for you to teach a dog basic obedience commands and correct your dog’s inappropriate behaviors. And 100 levels are available for you to adjust the accurate intensity of shock or vibration for your dog. Designed with IPX7 waterproof, which can work well even if immersed in water, so your dog can wear it when bathing and swimming (Note: Do not immerse in water for more than one hour). Moreover, it has longest remote range (up to 1640ft), which helps you to freely train your dog at backyard, park, beach, etc. .