Feature 1Lightweight and Cute: The dog trainer is light in weight and has a cute design, making it an excellent choice for an outdoor bark stop for dogs. It is not recommended for indoor use. 2Adjustable Design: The ultrasonic dog bark deterrent makes a harmless but effective sound to control excessive barking, ideal for small, medium and large dogs. 3Powerful Features: This ultrasonic bark control device can catch dog barking in the area covered by the system, stopping your own dog or your neighbor's dog from barking. 4Simple Installation: The dog bark stopper is easy to be hung from trees, wall or fence posts. Add some style to your outdoor decor and bring peace to your family and neighbors at home and on camping trips. 5ABS Material: Barking control device adopts high grade ABS material, which is waterproof and durable, and can withstand various weather conditions.SpecificationItem Type:UltrasonicDogBarkDeterrentMaterial: ABSParameter:Battery Type: Lithium ion BatteryBattery Model: 18650Battery Capacity: 1500mAh (Included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x UltrasonicDogBarkDeterrent1 x Manual2 x Expansion Tubes2 x Screws