Contigo's DeWalt Mobilelock is an advanced GPS beacon and anti-theft alarm system designed for the protection of construction site equipment, appliances, tools, copper wire and other portable and/or mobile assets. Powered by GPS technology, the unit is self-contained, requires no external antennas, and can operate for up to 30 days on a single battery charge. The unit includes an integrated tamper detection switch, adjustable vibration sensor, high and low temperature sensor and door contact. Coupled with the supplier's Web-based software system, end-users can locate their assets and create schedules for location reporting, arming or disarming sensors and geofence alerts.