<p>Barks are detected via an internal microphone and each bark triggers a mist of spray, which is unpleasant, but harmless for your dog. Choose from lemon or lavender scents. Each can contains about 25 sprays. The collar is water-resistant and the long-life battery will last for approximately 3 years of use or 4 years in stand-by.This Ultra lightweight collar weighs only 1.48 ounces and is automatic (no adjustment required). Includes one can of spray (2.63 fl oz). The turquoise nylon strap is adjustable to fit neck sizes from 5.9&quot; to 21.6&quot;.</p> <p>The collar is water-resistant and the long-life battery will last for approximately 3 years of use or 4 years in stand-by.</p> <p>Features:</p> <ul> <li>Weight: 1.48 oz (battery included)</li> <li>Dimensions: 2.36&quot; x 1.26&quot; x 1.26&quot;</li> <li>Collar: Water-Resistant</li> <li>Spray: Lemon Scent</li> <li>Power: 1 3.6-V long-life battery (already fitted in the collar when you purchase it)</li> <li>Turquoise nylon strap - length 2.1 ft / width 0.6&quot;</li> <li>Adjustable for neck sizes from 5.88&quot; to 21&quot;</li> <li>Shipped insured</li> <li>Brand new</li> </ul>