Thanks for your interest in the PetSafe Deluxe Little Dog Spray Bark Control!
As a general guideline, we recommend against pets weighing less than about 8 pounds or with a neck size of less than 6 inches wear this collar. Though the unit weighs only 1.9 ounces, that could be a bit too much for an ultra small dog.
Every pet is different so take into consideration his shape and build. If he's a stout fellow, this will probably be just fine. If he's more on the petite side, something like the PetSafe Indoor Bark Control Ultrasonic Pet Training System might be a better choice.
PetSafe product experts are standing by to help should you have any more questions. Give us a call at 1-800-732-2677. We're available Monday through Friday from 8:00 A.M. to 8:00 P.M. EST and also on Saturdays from 9:00 A.M until 5:00 P.M. EST.
Thanks again for your interest in our products!
PetSafe Customer Care
answered 2 months, 2 weeks ago
Pet Safe Brand Expert
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