COMPATIBLE WITH PetSpy Dog Training Collar, Models P620 and P620B 3 TRAINING MODES: Shock, Vibration, Sound; Range up to 650 yards PETSPY P620 Extra Remote Transmitter – receiver collar is not included PETSPY EXTRA REMOTE TRANSMITTER – COMPATIBLE WITH PETSPY P620 DOG TRAINING SYSTEM IMPORTANT: THIS IS AN ADDITIONAL REMOTE FOR PETSPY P620 TRAINING COLLAR … Continue reading "PetSpy P620 Extra Remote Transmitter – Replacement Part for Dog Training Collars P620 and P620B Review"