With the Micro Sonic 5 MS-5 collar transmitter, you get reliable boundary control for active pets in any weather.
Seamless compatibility: It works with High Tech Pet Power Pet electronic doors as well as Sound Barrier and Yard Barrier sonic fences, so you can expand your setup without extra gadgets.
Digital precision: All-digital circuitry delivers a stronger, steadier signal and maintains accuracy across temperature changes, so you can trust boundaries from winter to summer.
Rugged, waterproof design: With a fully enclosed ultrasonic speaker, the MS-5 stays protected in rain, snow, and wet conditions—built to withstand heavy weather and rough play.
One-size convenience: Fits all dogs and cats with a sturdy 27-inch nylon strap; battery not included.
