The moisture meter can quickly measure the moisture content of the grain. 1. Lightweight and cute: The dog trainer is lightweight and ma a nice design, making it an excellent choice do keep the bark outside for dogs. It is not recommended do indoor use. 2. Adjustable design: The ultrasonic dog barking repellent makes a harmless, ale effective sound to control excessive barking, perfect for small, medium and large dogs. 3. Powerful Features: This ultrasonic barking control device can catch your dog barking in the area covered by the system, stopping your own dog or neighbor's dog barking. 4. Easy installation: The dog bark stopper can be easily hung from trees, walls, or fence posts. Add some do style to your outdoor decor and bring peace to family and neighbors at home and camping. 5. ABS material: The barking control device adopts high-quality ABS material, which is waterproof and durable and can withstand various weather conditions. . DOG REPELLENT ULTRASONIC ANTI-BARK Specification: Item Type: Ultrasonic Dog Bark Repellent Material: ABS Parameter: Battery Type: Lithium-Ion Battery Battery model: 18650 Battery capacity: 1500 mAh (included) . DOG REPELLENT ULTRASONIC ANTI-BARK List of packages: 1 x Ultrasonic Dog Bark Repellent 1 x User Manual 2 x Expansion Tubes 2 x Screws . DOG REPELLENT ULTRASONIC ANTI-BARK