General description This 1pc 3 Modes Ultrasonic Dog Repeller is a portable and rechargeable device designed to enhance dog training and provide safety during encounters with aggressive dogs. Utilizing advanced ultrasonic technology, it effectively aids in long-distance dog tracking and training, ensuring you and your pet remain safe from potential dog attacks. The device also features a high-brightness flashlight with three modes: constant light, strobe, and SOS, making it ideal for nighttime walks. Technical specifications Product Name: Dog Repeller Main Material: Plastic Battery: 3.7V 1200mAh Li-polymer battery Charging time: 1-2 hours Working time: 15-20 days Control distance: 10m Size: 14.5 x 3.5 cm Usage Use the ultrasonic feature to deter aggressive dogs from approaching. Train your dog effectively with the ultrasonic sound that only dogs can hear. Utilize the flashlight for visibility during nighttime walks, with modes for different situations. Other information LED indicators