3-in-1 DOG BARK DETERRENT DEVICES (Contains battery) This device is designed for dog training and barking management. It also includes a flashlight function. The ultrasonic bark control helps attract your dog’s attention and deter undesirable behaviors such as barking, digging, scratching, biting, or jumping on furniture. For best results, use continuously for at least one week. Key features and benefits - Safe, humane bark deterrence: Two frequencies provide effective deterrence without shocks, vibrations, or loud noises. - Two safe frequencies: A 25kHz fixed frequency and a 30kHz variable frequency are inaudible to humans but audible to dogs. The device is completely harmless and will not touch your dog's skin or damage hearing. - 3x more effective than conventional bark collars: Uses ultrasonic bark stopping with an automatic shut-off feature, avoiding painful electric shocks while promoting quieter, better-behaved dogs. - Dual-speaker design with extended reach: Two speakers cover up to 33 feet to deter unfriendly dogs and training needs indoors or outdoors. The portable design enables use at home, in the yard, or on the go. - Enhanced deterrent at night: Combines a high-frequency signal with a flashlight to improve visibility and effectiveness in poorly lit environments. What it does for you - Improves dog behavior over consistent use, helping reduce barking and associated disruptive behaviors. - Supports training efforts with a non-contact, humane approach. - Enhances pet and neighbor harmony by providing a reliable, portable deterrent. Specifications and usage notes - Frequencies: 25kHz fixed and 30kHz variable (inaudible to humans; audible to dogs) - Range: Up to 33 feet (two speakers) - Power: Contains battery - Form factor: Portable, suitable for indoor and outdoor use - Function: Ultrasonic bark deterrent with automatic shut-off - Applicability: Training aid and barking control for dogs at multiple venues Use scenarios - Indoor training: Place the device in rooms where barking or undesirable behaviors occur to reinforce quiet behavior during daily routines. - Outdoor deterrent: Take it to the yard or porch to deter barking and chase away unfriendly dogs during walks or outdoor activities. - Nighttime use: Utilize the flashlight and ultrasonic combination to deter barking more effectively in poorly lit areas or after dark. Note: For best results, use consistently for at least one week. The device is designed for humane, noninvasive training and behavior modification without skin contact or hearing damage risks.