1. Efficient dog repellent Break bad habits like barking, chewing, and chasing with the BarkGuard device. Its advanced technology helps interrupt the Bark Reflex Loop, delivering faster behavior modification, creating a calmer and wellmannered dog in minutes per day 2. Three Modes for Training BarkGuard has three distinct modes for training your dog. Each mode is designed to address specific behaviors such as excessive barking, digging, biting, or jumping. Choose the appropriate mode to ensure effective, gentle, and suitable training for your dog's needs 3. AttentionGrabbing Light ModesIncludes two light settings—alwayson and fastflashing, to capture your dog's attention ly and effectively without causing fear or discomfort. Which are suitable for different dog types and meet the needs of use in multiple scenarios 4. Extended Battery Life With a builtin highperformance battery, you can get up to 30 days of battery life with only 1 hour of USB charging, so you don't have to worry about power issues during outdoor activities, and it becomes your portable 'dog repellent bodyguard'