Description
1.Durable weatherproof for indoor outdoor use 2.Use low-intensity ultrasonic, silent to humans, no harmful 3.Use ultrasonic sound to deter unwanted barking, more effective 4.Detects barks up to 50 feet with the waterproof sensitive internal microphone 5.Four levels of operation including a test mode.Switch with 4 Levels of Operation: Test-used to verify the microphone and speaker are functional – 1=Low Range-up to 15 feet – 2=Medium Range-up to 30 feet – 3=High Range-up to 50 feet 【Safe for Dogs
