Description:<br />Pet Dog Outdoor Ultrasonic Bark Stop Deter Nuisance Control<br />\u25cfDesigned specifically for outdoor use｣ｬ is durable and weatherproof.<br />\u25cfThis device is safe and effective for all breeds and sizes of dogs.<br />\u25cfUsing ultrasonic sound to deter unwanted barking.<br />\u25cfDetects barks up to 50 feet with the use of an internal microphone.<br />Specification:<br />\u25cfTwo colors LED for good \/ low battery indication<br />\u25cf9V Battery operation - (battery not included)<br />\u25cfSound Activated Speaker: Produces the ultrasonic sound.<br />Package Includes:<br />1 x Outdoor bark control<br />1 x User manual<br /><br /><br /><br /> <br /><br /> <br /> <br /> <br /> <br /> <br /> Switch with 4 Levels of Operation<br /> \u25cfOff - Used to conserve battery life<br /> \u25cfTest - Used to verify the microphone and speaker are functional<br /> \u25cfLow Sensitivity - Short range detection(up to 15 feet)<br /> \u25cfMedium Sensitivity - (up to 30 feet)<br /> \u25cfHigh Sensitivity - (up to 50 feet)