- Compatible with PetSpy Advanced Dog Training Collars: model M86-1, M86-2 and M86N
- COLLAR SIZE: Width: 3/4", Max Length 27", Min Length 8" - good for dogs 10-140 lbs
- IT WILL NOT WORK with PetSpy M686, M919-1, M919-2, P620, P620B
- PETSPY ADVANCED Extra Dog Training Collar - remote transmitter and charger are not included
- 3 TRAINING MODES: Shock, Vibration, and Sound Stimulations; Range up to 1100 yards
You must pair the extra collar receiver with the original remote transmitter upon receipt. Follow the link to download instructions on how to resync the devices. Please read all steps carefully before starting.