Introducing the ultimate solution for dog training and behavior management - the Handheld Dog Repellent Trainer. This 3-in-1 device combines an ultrasonic dog deterrent, anti-barking technology, and a built-in LED flashlight to provide a versatile and effective tool for pet owners. Key Features:Handheld and Portable: Compact and lightweight, this device fits comfortably in your hand or pocket, making it perfect for use at home or on the go. 3-in-1 Functionality: Combines a dog trainer, anti-barking device, and LED flashlight into one multifunctional tool. Ultrasonic Technology: Emits high-frequency sounds that are inaudible to humans but effective for dogs. Built-in LED Flashlight: Features a bright LED light to enhance visibility during nighttime walks or training sessions. Effective Training Tool: Consistent use helps train your dog to stop barking and reduce other unwanted behaviors. Sleek Black Design: Modern and discreet, this device blends seamlessly into any environment.Specifications:Color: BlackMaterial: ABS PlasticUltrasonic Frequency: 25 kHzLED Flashlight: YesPower Supply: 1 x 9V Battery (not included)Dimensions: 5.3 x 1.8 x 1.2 inchesWeight: 3.4 ouncesRange: Effective up to 16.4 feet (5 meters)Package Includes:1 x Handheld Dog Repellent Trainer1 x User ManualHow to Use:Insert Battery: Open the battery compartment and insert a 9V battery (not included).Activate Device: Press the ultrasonic button to emit the high-frequency sound. Use the LED flashlight button as needed during training sessions.Training Tips: Use the device consistently to correct unwanted behaviors. Combine ultrasonic signals with verbal commands for best results.