High Tech Pet MS-5 Automatic Pet Door Collar, Genuine Brand Dog Collar for Power Pet Doors - Water Resistant, Battery Included - MS-5

Operates all High Tech Pet Power Pet electronic pet doors as well as Sound Barrier and Yard Barrier sonic fences | Using all digital circuitry, this state of the art design provides a stronger signal and maintains better accuracy over all temperature ranges | With a fully enclosed ultrasonic speaker, the MS-5 is waterproof and rugged | Immiscible in water; stands up to heavy rain showers and is perfect for dogs who love to play in the snow | One size fits all dogs and cats; includes an attractive, tough 27 inch nylon strap