COMPACT 4G GPS TRACKER - Tracks vehicles, loved ones, or assets. Monthly subscription required. No contracts or activation/cancellation fees. $19.9 -60 second updates. $24.99-30 second updates. $29.99-15 second updates. $34.99-5 second updates. REAL-TIME SMARTPHONE & PC TRACKING - With lighting fast 4G LTE this GPS tracker offers tracking with upto 5-second updates through Windows & MAC desktop web-access (Chrome, Safari, Edge, Firefox) or through the Amcrest GPS smartphone app (i OS/Android). GEO-FENCING, SMART ALERTS & REPORTS - Create custom geo-fencing zones that alert you anytime the GPS tracker enters or exits a zone. LIFETIME WARRANTY & SUPPORT - IMPORTANT - This device is configured to work in the US, Canada and Mexico only. If you plan to use the device internationally (outside North America), please contact us at amcrestgps@amcrest.com to enable this feature BEFORE the device leaves North America. We stand by our products and offer a lifetime warranty and unlimited support.