Forget about your daily nightmares: While some neighbors just don't care about their yelling dog, others like you, just aren't sure what to do. So instead of suffering, why not try the Anti-Bark Ultrasonic Dog Bark Deterrent? It is the non-portable device that makes dogs more bearable by stopping their barking.Up To 75 Feet Effective Range : Our indoor and outdoor dog bark control devices were conveniently designed with multiple settings; multi-directional microphone picks up dogs in any direction Mode 1: low range (up to 25 feet); mode 2: medium range (up to 50 feet); is it further? Mode 3: High Range (discourages all dogs outside up to 75 feet).Safe and Friendly to Animals and People: This ultrasonic dog bark silencer has been tested and proven to be completely harmless to human animals and plants. Due to its precise sonic frequency, you may not even hear it. It will take up to 2 weeks for the barker to "learn" what the piercing noise means.It's So Easy To Use - Dog Whistle to Stop Barking. This small dog deterrent is very easy to mount on a wall to hang on a tree or place on a fence post near your house; Plus, it's extremely easy to set up and start using; making it the best electronic pet training for your pup.DURABLE AND WEATHERPROOF - Built to the highest quality level to ensure long-term use; It's waterproof and durable so you can hang it outside in any weather conditions, making it a great outdoor barking controller for dogs. Note: 1. Please allow 1-3 mm error due to manual measurement and 1-3g weight error make sure you don't mind before ordering. 2. Due to the lighting of the photos and the difference of monitors, the pictures may not reflect the actual color of the real item. Please make sure you don't mind before ordering, thank you! About Shipping: 1.please pay attention to your delivery address such as: name, street, house number, doorbell/email without name, etc. is correct, or the order will not be delivered correctly. 2.All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances. 3.During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours Hope you have a pleasant shopping experience!