General description Automatic Anti-Bark Collar is designed to effectively reduce excessive barking in large dogs. This collar features a rechargeable battery, rubber electrodes, and a waterproof and dustproof design, making it suitable for various environments. Technical specifications Level: 7 Type: Rechargeable Material: Rubber electrodes Waterproof and dustproof Compatibility and accessories Package includes: 1 x Adjustable Collar with Receiver Other information Not suitable for small and medium dogs.