1. Three Training ModesDesigned with three different modes to address specific dog behaviors like excessive barking, digging, biting, or jumping. Select the appropriate mode for effective, gentle, and training that suits your dog's needs. 2. Two Light ModesFeaturing two light settings: solid and fast flashing, it safely draws your dog's attention without causing fear or discomfort. These light modes enhance training effectiveness, especially in distracting environments, making the antibarking device for dogs practical and humane. 3. Large Battery CapacityRecharges quickly in 1 hour and comes with an 800mAh battery for powerful performance. Whether using the dog whistle mode, strobe mode, flashlight mode, or 25 kHz training mode, this antibarking device is effective in changing behavior while maintaining your connection with your dog. 4. Builtin LEDThe builtin LED flashlight simplifies nighttime walks and makes them stress. This feature ensures you and your dog can walk safely at night, providing added convenience and peace of mind.