The Mileage Ace - GPS Mileage Tracker You Can Trust - Automatic Electronic Mileage Log With WiFi Uploading From The Car Antenna: Built-in Accuracy (Position): Warm Acquisition Times: 1 sec Cold Acquisition Times: 35 sec Built-in Speaker: Yes Parts: 1 Year Parts Warranty - We pay return shipping from our facility to the customer. Labor: 1 Year Labor Warranty