Is Smart Device:noMaterial:plastic Item Type:Repellents Type:Dogs Origin:Mainland China Ultrasonic and Laser Technology : The device uses both ultrasonic and laser technology to repel dogs, making it more effective than traditional training methods. Anti-Barking Function : The device is designed to prevent dogs from barking, reducing noise pollution and improving neighborhood relations. Easy to Use : The device is simple to install and use, making it a hassle-free solution for dog training. Durable Material : Made from high-quality plastic, the device is durable and long-lasting, ensuring that it will provide effective repulsion for years to come. Features As that are Used as Pets, in Police and for Shepherding. Easy to Operate,train all Kinds of Dogs such as that are Used as Pets, in Police and for Shepherding. Description: Material:Plastic Color: Black Size:as picture Power:9V battery (not include!) Package includes1pc Note: 1.Please allow 1-3 cm differs due to manual measurement. 2.Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding Tips: 1. The dog you own, because it knows that the owner will not hurt it; 2. Noisy environment, such as downtown or roadside; 3. Dogs with the owner-dog-dominant; trained large dogs-well-trained; 4. When the battery voltage is too low-the transmit power is low. The above situation will not affect the use of this product, because your own dog, dogs who often shop, dogs with the owner and well-trained dogs will not bite randomly;