Join Date: Jan 2013
Location: Texas Gulf Coast
They might work. However, that type of device is indiscriminate, and every dog within range, including your own, will get blasted with a very loud (I notice they don't give the decibels?) ultrasonic tone.
Lily: ETD PKD-T ADP-L5/CH ADP-L1(Pr) CNSD
Leo: U-CA ETD PKD-T D-CRO-Preliminary S-ADP-L5/CH S-ADP-L1(Pr) S-ADP-L2(Pr) CNSD
Ilka: BN RE CA CGC TKP ETD PKD-T CRO-1 NCO-1 S-ADP-L4 D-CRO-Preliminary (2009-2017) RIP