SportDOG Brand FieldSentinel 825/1825 Add A Dog Collar - SportDOG Brand FieldSentinel 825/1825 Add A Dog Collar

Compatible with FieldSentinel remote trainers BodyGuard technology provides health alerts 3 types of stimulation: static, vibration, and tone Fits dogs 8 lbs and up Suitable for small to large dogs Effective range up to 500 yards