Product color: champagne gold, space gray Product size: 93mm (L) * 41mm (W) * 31mm (H) Product weight: about 32G Product battery: four AAA / AAA alkaline dry batteries Product material: ABS Effective distance: 5 meters & nbsp; Working principle: after installing the battery, press the button of the ultrasonic transmitter within the effective range to send ultrasonic waves to correct the dog’s behavior. One-touch operation, simple to use and easy to use. Product highlights: & nbsp; & nbsp; & nbsp; & nbsp; One: it can be used for multiple dogs; & nbsp; & nbsp; & nbsp; & nbsp; Two: Not only can prevent dogs from barking, but also can teach their uncivilized behaviors, such as: storming, biting, picking up trash, drowning, etc. Recommendations for use: When using this product to train dogs, it will be best to cooperate with the verbal training of the owner. This is a training device that corrects uncivilized behavior of dogs by pressing the launch button to emit ultrasound. The trainer’s
