Keep an eye on the dogs working at night, get to the action quicker as dogs can be seen at night from a greater distance - up to 5km. Replaceable batteries. Strobe light or Constant Light options.
Attach to Protective collar or tracking collar
Waterproof
Military Grade
Multiple color choice for packs of dogs.
(How to Guide here) - http://orbiloc.com/product/orbiloc-dog-dual/