The PT 10 dog device works with the PRO 70, PRO 550 and the Sport PRO handhelds, allowing you to add more dog device collars to your pack. Train up to 6 dogs on 1 PRO 70 handheld, 3 dogs on 1 PRO 550 handheld or 3 dogs on 1 Sport PRO handheld (additional dog devices required) with a range of 1 mile, plus remote-operated LED beacon lights for low light conditions and built in BarkLimiter, activated on the dog device, for a quieter kennel.
Specifications:

Type
Function	Dog Trainer
Channels
Range	1 Mile
Battery	Rechargeable Li-ion
Screen Type
Proofs	Water Resistant
Backlight
Color	Blue
Privacy Codes
Data Cards
Compatible With	Dog