Product five features: position tracking, SMS notification, telephone notice, positioning, loud alarm
SMS notification: inform emergency contacts, and send real-time positioning
Telephone notification: Telephone again notify urgent contact
On-site truth: on-site movement, real-time location, activity trajectory. Real-time understanding of the site, emergency contacts understand the site situation in real-time, in order to apply for assistance, listen to the moving scene of the scene, see the activity trajectory, the dangerous address
The treble alarm, power shock: Just pull out the package can send up to 130 decibels, effective to scare the bad guy
Bluetooth connection: Bluetooth is easy to connect, use more intimate