Ultrasonic Dog Repeller and Trainer Device 3 in 1 Anti Barking Stop Bark

Ultrasonic Dog Repeller and Trainer Device 3 in 1 Anti Barking Stop Bark

DOG REPELLER & TRAINING - Emits a high-pitched ultrasonic sound that's harmless to the human ear but highly irritating to dogs. the dog trainer can effectively train your dogs to be obedient and stop some unwanted behaviors.
PORTABLE & FITS IN POCKET – Perfect to take along while walking, jogging , cycling, etc.; dimensions is only 5.1x1.6x0.8 in (LWH), and fits comfortably into your pocket.(Features also a white color LED flashlight.)
EASY TO OPERATE - First open the battery cover and then put 1 piece 9V battery (not included),the sound is audible only to pets,finally turn on the switch and it can work well,also they can serve as a flashlight when necessary.
100% SAFE TO HUMANS & HARMLESS TO DOGS - Completely safe and does not harm dogs. No liquid propellant is used; thus being the most humane way to protect yourself from aggressive dogs.
MULTI-FUNCTIONS: Except as a pet training tool,it also can prevent you from dog attacks, fit for training many kinds of dogs,such as pets,dogs in police and shepherding,suitable for outdoor work,travel and security night patrol.