Electric Dental Water Flosser, Cordless, Portable and Rechargable Oral Irrigator with 3 Operation Modes and 4 Rotatable Jet Tips for Braces and Teeth Whitening

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.