E-Collar 2 Dog Mini Educator 1/2 Mile Remote Dog Trainer + FREE INCLUDED Bungee E-Collars by Educator Two dog system with 3/4 mile range Small receiver (2"x1.5"x1", 2.4 oz) for dogs 5 pounds and larger Mini ergonomic "stopwatch" transmitter (2.64" diameter x 1.29" thick) is well-suited for small hands or in situations where discreetness is important Delivers a tapping sensation similar to vibration, but more intense, making it an effective addition to the stimulation Includes 2 Black Full Grip Supply Bungee E-Collars