Description: Material: ABS Size: 13*9*5cm / 5.07"*3.51"*1.95" Color: black, green Feature: 1.Using ultrasonic technology, it can effectively suppress dog barking without harming pet health 2.Portable design, suitable for a variety of indoor and outdoor scenes, more flexible and convenient training 3.Waterproof and dustproof structure, adaptable to various weather conditions, strong durability 4.Low power consumption design, long battery life, lower use cost 5.USB charging, one-button operation, simple and easy to use, suitable for all kinds of dogs and different ages Note: 1. Manual measurement may have an error of 1-2cm. Please understand, thank you. 2. Due to the difference between different monitors, the image may not reflect the actual color of the item. Package includes: 1*Ultrasonic barking control device