Anti Barking Device Ultrasonic Anti Bark Deterrents Bark Control Device Dog Bark Control Outdoor Birdhouse  Durable and Weatherproof: Built with the highest level of quality to ensure long term use; it is waterproof and durable so it can withstand any weather conditions; making it an excellent outdoor bark control for dogs. Light Weight: This version is light weight and was designed super cute and adorable for outdoor decor; although it may be used indoors as well - it isn't recommended. Effective Range Up to 50 Feet: 1: Low Range (up to 15 feet); Mode 2: Medium Range (up to 30 feet); Mode 3: High Range (up to 50 feet). Adjustable Ultrasonic Level Control: Safe for small medium large dogs. Emits harmless, but effective sound to control excessive barking. Anti barking device safe, humane and professional way to train your dog to stop barking. Colour: white Material: plastic Package Contents: 1 * barking control devices (without 9v battery) Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.