Size: 9.5 x 4.2 x 3.3 cm Color: dark gray Material: ABS Package includes: 1 dog repellent variable and fixed frequency mode, which makes it easier to attract and more effectively the dog’s attention and correcting the dog’s wrongdoings. Animal safe and humane concealer. Easy to use with one button Easy to train with one button. If the dog is barking, digging, fighting, eating dangerous food, etc., just press the button and point it at the dog. The LED indicator lights green when the device is working and sending ultrasound. Lightweight and portable The dog trainer is portable and handheld. You can slip it into your pocket or pocket and are great for indoor and outdoor use. It also prevents other dogs from approaching you while jogging, walking or running. Long control range and USB rechargeable device The ultrasound scanner is effective within 16.4 feet. The shorter the range, the better the effect. The built-in 1200mAh capacity battery can be fully charged in 5 hours, which is 15