Ultrasonic control - You can avoid the trouble of the family or the neighbor of the dog barking - You can enjoy a peaceful night. Features: - Use ultrasound to prevent unwanted barking. - Four adjustable ultrasonic volume levels - Test, Low, Medium and High. - Safe and humane bark control method, suitable for all breeds and sizes of dogs. - Sensitive microphone isolates and captures barking up to 50 yards away until it stops barking, for outdoor use. - Powered by one 9V battery (not included) and lasts up to 6 months depending on usage. There are two colors indicating good or low battery LED. - Pre-assembled easy installation. Weather protection function for outdoor, it still works even in rainy day. Four levels of operation: T = Use the speaker and microphone to check the functionality of your device. 1 = lowest range up to 15 feet. 2 = central zone up to 30 meters. 3 = maximum range up to 50 meters. Features: Material: ABS. Product dimensions: 15.2 x 10 x 10 . Package: 1 x
