AdNew Halo Collar 4: The world’s safest GPSdogfence, now with with dual-frequency GPS. The all-new Halo Collar 4: The safest GPSfence with unbeatable accuracy and tracking.
AdTested & proven to stop escapes. Dogs stay within their boundaries 99.3% of the time. 7x more accurate than other GPSfences. Warnings Work 100% of The Time—Even In The Woods.
