Description: Multi Function: The portable anti device has an flashlight with two modes of constant light and strobe, and three powerful transmitters, which can reach up to 20 meters in the actual environment.Adjustable: This anti tool provides two channels (fixed frequency and random frequency) for versatility to suit different situations. It also includes a button lock feature to prevent accidental activation.Portable: This dog control device is compact and lightweight, easy to carry in your pocket or bag, and can be used indoors or outdoors.Easy to Use: The dog is easy to use, just press the button and point the stopper at your dog when they , and the dog will stop what they are doing.Indicator Light: Dog device equipped with LED light to display battery power and two working intensity indicators. It has a large 1200mAh battery with power saving function, with a standby time of up to 140 days, 20 days of normal use, and fast charging within 2 hours. Size Chart: 16.2cmx5.6cm/6.38inchx2.20inch Package Includes: 1 Anti Device1 Charging Cable1 Manual Note: Please allow slightly errors due to manual measurement and different monitors.