A. J-1701 High Power 14 Heads Strong Ultrasonic Dog Cat Chaser Stops Animal Attacks Deterrent Repeller B. Specification: Usage: J-1701 ultra-high power for animals, mainly used to drive dogs, prevent dog bites, prevent dog barking, and drive cats; can be used to expel cats and canine beasts such as lions, tigers, leopards, wolves, foxes and so on. Instructions: Push the red switch to the front position, ultrasonic emission starts with the red indicator light on; when using, aim at the animal to be driven or the barking dog due to the directional nature of strong ultrasonic. Middle position: power off; back position: LED light is on. After each use, charge the device in a timely manner to maintain good performance. Charging: Turn off the power (middle position), pull out the built-in plug at the end of the machine, plug it into the power supply, and the blue indicator light will be on. Usually, 2-4 hours of charging is appropriate; if the battery cannot power on (red light is not bright), charge for 6-8 hours. The main parameters: Charging connection voltage: AC 100V-240V, Working voltage: DC 8.4V, Peak power: 30W, Sound pressure: 14x125dB C. Precautions: As the machine works in a high-power state, each emission should not exceed 10 seconds, which helps to extend the machine life! Do not launch close to people's ears to avoid causing discomfort! Do not provoke dogs without reason! D. Photos: S nn: