1. Battery Capacity: 1800mAh
2. Contains 4 ultrasonic transmitters emitting farther and stronger ultrasonic waves with a wider coverage area, effectively training dogs and preventing unwanted barking, scratching, digging, and biting behaviors. (For effective training, please ensure continuous training for at least one week.)
3. The device emits a fixed 25kHz frequency, undetectable to humans but suitable for dogs.
4. The device produces no shock, vibration, or noise, harmless to your dog's ears, skin, and overall health, suitable for dogs of all sizes.
5. Control range up to 50 feet (approximately 15 meters), suitable for both indoor and outdoor use. A portable wrist strap is included for easy carrying and use anytime.
6. Independent night light function, high brightness, long range, ensuring safe dog walking at night.
7. The device uses USB charging with a Type-C interface. The battery is rechargeable and can last for 30 days on a 5-hour charge.
8. The device can not only train your dog but also prevent other dogs from approaching you while walking, jogging, or cycling.
9. Simply press the button and point the device at the dog when it barks or approaches you, and the dog will stop its unruly behavior.
10. This head-mounted ultrasonic transmitter is designed with a 15-degree downward tilt angle, so there is no need to apply deliberate downward pressure when holding the device.