Two doors allow easy access to your pet either thru the traditional front door
Your dog will learn to associate his barking with the unpleasant high-pitched sound (inaudible to most humans)
withstanding up to 500 hours of direct sunlight
MAXX-Range 360 Internal Collar Antenna System
When the SmartDoor no longer senses your pet's SmartKey
Starmark Dog Treat Ringer Orb Litter Boxes Two doors allow easy accessTreat Rings are held in place by inner rod and must be chewed to be removed. Treats also fit sideways into toys between toy wall and inner rod. Treat Ring system encourages chewing. Durable nylon material holds up to even the strongest chewers. Challenge rating 4. 1 out of 5. Edible Treat Ring Ingredients: Rice Flour, Wheat Gluten, Vegetable Glycerin, Gelatin, Water, Natural Chicken Flavor, Lecithin, Carrageenan (natural seaweed extract), Parsley.