PetSafe Additional Receiver - $134.99

Ensure the safety of all your pets with these additional receivers. The lightweight, waterproof receiver is incorporated into a comfortable collar (adjusts from 6 to 28 and is not recommended for dogs less than 8 lbs.) that runs on a 6-volt battery module. Receivers have five levels of stimulation and a tone-only mode.Measures: 2-1/2 x 1-1/4 x 1-1/4 .Weight: 4 oz. Gender: Male. Age Group: Adult. - $134.99