Product Anti-Bark Ultrasonic Dog Bark DeterrentKey Benefits:Relieve the frustration of dealing with a barking dog with this innovative device.Effective Range:Indoor and outdoor design with adjustable range settings:Mode 1: Low Range (up to 25 feet)Mode 2: Medium Range (up to 50 feet)Mode 3: High Range (up to 75 feet)Safety:Safe and friendly to both animals and people; harmless to humans, animals, and plants.Utilizes a precise sonic frequency that may be inaudible to humans.Ease of Use:Simple to mount on a wall, hang on a tree, or place on a fence post.Easy setup for quick and effective use as a dog whistle to stop barking.Training:It may take up to 2 weeks for the dog to associate the sound with the deterrent effect.Durability:Durable and weatherproof construction for long-term use.Suitable for outdoor use in any weather conditions.Application:Ideal for both indoor and outdoor use, providing a versatile solution to control dog barking.Package Contents:1 x Ultrasonic Dog Bark Deterrent DeviceNote:Before using the device, ensure it is placed in an optimal location for the best results.