MOBILELOCK DS600 is a portable wireless alarm system with GPS designed to protect high value mobile assets. MOBILELOCK DS600 is a completely self-contained battery powered wireless security system ideal for monitoring assets. The DS600 offers the ability to monitor and locate your valuable assets quickly and easily. The device, about the size of a deck of cards, can be mounted in a hidden area on any remote or mobile asset. It is completely weatherproof and lasts over a month on a single charge. Multiple sensors are built-in such as movement, tilt, vibration, temperature, tamper, low battery, and lost power that can be selected and customized depending on the application. A built-in siren can also be activated to sound in an alarm event as a deterrent or remain silent for stealth notifications and locating. The DS600 has a built-in Bluetooth radio that can be enabled through an online account and proprietary Bluetooth sensors can be paired to it. $19.95 monthly service charge includes: Nationwide Cellular Service with no Roaming Fees, Unlimited Alarm Notification contacts, Unlimited Users, 5 Locate Credits Per Month (roll-over), No Long Term Contract – Month to Month. Coverage may not be available in some areas. For use in the continental U.S. only.