Rodenting and Biting Control Ultrasound Apparatus – YQJ-907
It uses ultrasonic frequency ultrasound sound to prevent barking, accidental ultrasound sound to remove many types of insects. Ultrasonic sound is not harmful and can not disturb man. The transmitter emits a signal and is taken by a receiver worn by the dogs. It can not harm dogs, it is a useful device especially for the province. It operates within a distance of 10 meters. It is rechargeable with a 1900mAh battery. The collar is waterproof.