The battery life lasts up to 7 days. - Designed to transmit emergency alerts - Emergency Alert Button - SOS - Vibration sensor and anti-theft alarm systems, can also provide security for your valuables. - With GPS precision systems, signals received from communication satellites and center in the position in latitude and connection / GPRS longitude GSM using queries. - In addition to being compact and lightweight and impact-resistant outer casing. - Information about the current location; As you can see from computers and smartphones, you can predefine SMS with mobile phone numbers as you can get.