Proximity alerts

Invalid date

1. Send SMS to more than one recipients.

2. Optionally constrain firing alerts within time frame.

3. Rescheduling: Alerts may fire only once, may be rescheduled when away from target, or may be rescheduled daily based on time frame.

4. Select sounds to play.

5. Select phone numbers from contacts list.

6. Turn on/off GPS to optimize power without sacrificing accuracy (safe to enable when traveling directly towards target with speed at most 100 km/h).