MS-5 Mac Designer Series Automatic Pet Door Collar Power Pet Door Replacement Parts Of course the TX-7 works

Of course the TX-7 works equally well on yards as small as 1/10 of an acre

reliable signal while maintaining accuracy across all temperature ranges

If you have the optional 9 volt back-up batteries installed and there is a power failure

best sealed pet doors on Earth

MS-5 Mac Designer Series Automatic Pet Door Collar Power Pet Door Replacement Parts Of course the TX-7 worksThe MS 5 Designer Series Collar is designed for reliable, everyday use with Power Pet automatic electronic doors. It provides consistent door activation while offering a more refined look than standard collars. Using a high output ultrasonic signal, the MS 5 Designer Series ensures dependable operation while remaining completely inaudible to pets and humans. Designed for durability, the MS 5 Designer Series features a waterproof, rugged construction