Our Company website of www.dogtra.com does not support an online purchasing system but if you click on Buy Parts, on the top right corner, you will navigate to our online store of http://shop.dogtra.com. This site is designed to purchase parts/accessories only. If you’d like to purchase a training unit, please contact us directly at 1-888-811-9111. Phone hours are Monday – Friday from 8:00am to 4:30pm (PST) Note: Dogtra is NOT responsible for any transactions that take place through any of the listed dealer's web sites. Please use necessary caution when providing your credit card number to any web site.