My Loving Friend - (X-Large) Best Christmas Gifts for Dog Lovers Bark Collar Features Humane and painless sound, vibration and shock Ability to adjust the sensitivity, vibration and shock level Intelligent microprocessor distinguishes your dogs bark Sturdy plastic buckle with quick release The best quality nylon collar with reflective strips keeps your dog safe FAQ Q1: Which part of the dog's body can I put the receiver? A1: Below the throat. Q2: I just bought the product and it is not working? A2: First confirm that the product is fully charged, then turn on the power and adjust the product sensitivity level to 7. Q3: Why does the product not work when the dog is barking? A3: Please ensure that the device is closed to the dog's neck and adjust the sensitivity. Q4: Why does the product work automatically when the dog moves around. A4: Please lower the sensitivity level. Q5: Why doesn't the product charge when it has been used for a period of time? A5: Make sure that the USB charging cable is working. Package Included 1 Receiver 1 Nylon Belt 1 USB Charging Cable 1 Test Bulb 1 User Manual Fast and Free Shipping You're already purchasing the item. Why pay additional for shipping, especially slow shipping? We get your order shipped out within 1-business day and delivered to your doorstep as quickly as possible. Competitive Pricing With our dynamic pricing model, our prices are always competitive. Our prices are some of the lowest that you will find on the internet. Rest assured that you're getting a good deal when purchasing with us. 30-day Money Back Guarantee We are committed to making sure that you leave this transaction satisfied. If you're unhappy with the product for any reason, you may return it back for your money-back or a replacement within 30 days. No questions asked!