This is a tracking GPS, this unit will not show driving directions like traditional GPS. Do not send inquiries related to Garmin or any other. Tracking GPS is a big as a typical cell phone, installed in the vehicle it works on 12v battery. You can track the location of the vehicle by logging to a website from anywhere. No software needs to be installed. Most suitable for fleet managers. Major features include; track your vehicle with a live picture on the map, turn off engine in case of theft, create a invisible fence around your vehicle (geo fence), open doors if your keys are locked inside, get an alert when your vehicle exceeds speed limit and much more. Please call for more information and volume discounts. Will be glad to give a demo online.</p>