3-in-1 Multifunctional DesignThis handheld bark deterrent device combines ultrasonic training, and an ultra-bright flashlight. It effectively stops barking, biting, and digging, and can repel unfriendly dogs outdoors Safe TechnologyThis Ultrasonic bark portable dog deterrent making it safe for pets. It's non-electrical, providing gentle behavioral modification for most dog breeds.Professional sonic emitter dog training tool offers a gentle alternative to loud commands or physical corrections, supporting trust-based training Long-Range and PortableThis pet training's dual ultrasonic speakers offer an effective range of up to 33 feet. It's lightweight and pocket-friendly, making it a convenient companion for jogging, cycling, or travelinga reliable on-the-go training companion Easy-to-Use ModesAnti barking device for dogs switch effortlessly between training, repelling, and flashlight functions using an intuitive rotary dial. Clearly marked settings help prevent accidental operation, ensuring reliable and targeted use Portable and Durable CompanionMade of durable material, this dog deterrent withstands daily use, making it a effective dog training tool.Its compact keychain-ready design, this tool is built for daily carry. Attach it to your leash, bag, or belt loop for training support anywhere