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. * Lasts up to 60 days on one charge. Magnet is perfect for mounting on any metal surface. * 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.