About this item【Anti Barking Device】:Hyperhush Pro - Anti-Bark Traineris a professional device for Dog Training and Dog Bark Control. The emitted by the bark control device can attract the attention of dogs and help prevent dogs from barking, digging, scratching, biting, climbing on furniture and other unwelcome behaviors. (For the best training results,please ensure continuous use for more than one week)【Powerful and Easy To Use】: Hyperhush Pro - Anti-Bark Trainer not only trains your dog, it also stops other dogs from approaching you while walking, jogging or biking. Just press the button and point the device at the dog while the dog is barking or approaching you, and the dog will stop their bad behavior.【Longer Control Distance, Portable Size】 : The control range of bark is 32 ft. The small dog barking along with a wrist strap is convenient for you to carry anywhere and easy to use Outdoor & Indoor. (For the best training results,please ensure the device is used within the effective range)【Quick USB Rechargeable】:Hyperhush Pro - Anti-Bark Trainer control device is using an USB charging method rather than the traditional battery-driven device. fast charging and works for about 2 Hours continuely, no need to worry about running out of electricity and no place to charge.【Portability, Safety Design】: Compact And Lightweight For Easy Portability, With A Built-In Safety Lock To Prevent Accidental Activation. It Also Features A 10-Second Auto-Off Function For Enhanced Safety And Energy Efficiency During Use Feature:1.Anti Barking Device2. Powerful and Easy To Use3.Longer Control Distance, Portable Size4.Quick USB Rechargeable5.Portability, Safety Design Product parameters:Product Name:Hyperhush Pro - Anti-Bark TrainerProduct net weight: About 152gProduct Corlor:Dark Gray Battery capacity: 800MAh Battery model: Polymer 902535 Operating current: 500ma Charging voltage: 5V Working hours: 2 hours Motor speed: 15000 rpm Light bead type: LED Ultrasonic power: 20-35khz Charging time: 40 minutes Built-in accessories: Instruction *1, Type-c charging cable *1 Deep Space Gray (Other colors start at 1k) Product weight (including color box): 152.5g Product size: 12.6*4.8*4.6CM Packaging size: 14.8*10*5.4CM Package Includes:1*High-Magnetic Screwdriver Drill Bit Set