Triple ultrasonic transmitters, 5 ultrasonic modes(22KHz/25KHz/29KHz/23KHz/27KHz) Function:fixed-frequency function+ frequency-hopping function(useful for more kinds dogs)+flashlight function + sound function+ vibration feedback function. The device has keylock in case wrong order issuing Low power alarm ( Red light flash: low battery; Green light flash: powerful battery) Standby days≥180days, Battery
Why a Dog Training Collar Can Be a Good Choice Dog training collars have evolved significantly, moving beyond traditional choke chains to incorporate modern technology and humane methods. When used responsibly and ethically, they can be valuable tools in a well-rounded training program.