... beeper will changed with the dog`s speed. 3,With CE,RoHS,FCC. Dog Beeper, Exclusive private model!product ... BIB" sounds, set this product on the dog`s neck, when the dog move fast, the product will emit a ... "BIB" sound,when the dog move slow or doesn`t move, means the dog has been found the prey, ... represent the second dog, and so on, the hunter can control 8 dogs at the same time. Dog collar CP-D100 ...