Only will come with a single collar. Meaning that you’ll want 1 feeder for each cat unless your cats are chipped. Ultrasonic bark collars emit a substantial-pitched audio that only dogs can listen to when barking is sensed. They are really An additional additional humane substitute to static bark collars, https://elevatedslowfeederdogbowl09886.blogadvize.com/44027858/the-smart-trick-of-premium-clumping-tofu-cat-litter-that-no-one-is-discussing