Its small size (3in x 1.5in x 1.75in) makes the GPS Tracker portable. An internal motion sensor will help maximize battery charge when not in use by entering in standby mode. Follow the units track minute by minute (upgradable) on the user friendly tracking website with Google Maps. Receive alerts to pre-defined SMS numbers and email addresses when the central button on the tracker has been pressed. Get alerts from the GPS Tracker for speeding, entering or leaving predefined areas or when the tracker's battery charge is low. Works great for tracking: Cars, trucks and assets. $19.95 per month - All features included - Cancel Anytime - No Contract - No Hidden Fees