General description Anti Bark Dog Collar with Training and Deterrent Modes is designed to provide effective control over unwanted dog behaviors such as barking, digging, fighting, and chewing furniture. This device is safe and efficient for correcting these behaviors while also helping to prevent dogs from eating unsafe foods. Technical specifications Control range: Up to 30 feet Battery: Built-in 850mAh rechargeable battery Charging time: 2 hours Standby time: 15-30 days Ultrasound levels: 2 (normal and enhanced) Light modes: 2 (flashlight and strobe light) Usage The device can be used for various purposes including: Dog training Barking control Behavior correction Deterring approaching dogs As a LED flashlight for nighttime walks Other information When the Max (ultrasonic) button is pressed, the device emits a strobe light along with a powerful ultrasonic sound. The device also vibrates when the button is pressed, enhancing the user experience.