EB-POA records time spend for each job/task so that enable automatic and instant tracking job status and project cost. Features: 1. Proof of Arrival Record. 2. E-Beacon In-door Location Tracking. 3. GPS Out-door Location Tracking. 4. Service Task Duration Tracking. 5. Report Job/Task. NOTE: This app requires Bluetooth 4. 0 and above to detect iBeacons.