Dogtra 1900x Add on Dog Training Receiver Collar only So you can use this

So you can use this small dog collar on 1900x large dog training system as well as 280x small dog training system

Thickness: 26mm

The Dogtra YS300 features industry-leading electronics

the vibration from voice box triggers the sensor

Dogtra 1900x Add on Dog Training Receiver Collar only So you can use thisThe Add on collar for Dogtra 1900x and 280x Training system. The new 1900x add on dog training collar is compactable with both Dogtra 280x and 1900x system. So you can use this large dog collar on 280x small dog system as well as 1900x large system. Both new dogtra systems are expandable to train up to 3 dogs. The 1900x system has up to 1200 metres range and 280x system has up to 800 metres range. This 1900x dog collar is fully waterproof and