• Hardwired Real Time GPS Vehicle Tracker With Battery Backup • Real-time GPS updates up to every 1 minute. Nationwide coverage(USA). Required monthly subscription as low as 14.99 • Use any internet enabled device. No software required. Also works with iPhone/iPad/Android/Blackberry. • Simple 3 wire installation, can be done by an amateur or professional in less then 30 minutes. • 30 Day Guarantee. No long term contracts. Cancel any time. 1 Year Manufacturer"s Warranty. • Mastrack.com Exclusive: Dual Network Support. Every device operates on the top 2 wireless networks for maximum coverage.