[3-in-1 Multifunctional Design]: This 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 Technology]: This 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 Portable]: This 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 Modes]: Anti 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 Companion]: Made 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