- GPS+WIFI + LBS
- Dual control mode of mobile phone client or computer GPRS service platform
- GPRS real-time positioning, tracing and monitoring
- Alarm clock
- Safety area
- SOS emergency alarm
- Low-battery alarm
- Remote shutdown
Key 1: Long press key 1 for 5s for startup when it is shut down. Short press key 1 for talking time after startup. Since APP is designed with SOS phone number, long press key 1 for SOS dialing. Short press for hanging up if there is a phone call. Keep short pressing for 3 times to enter heart rate and blood pressure monitoring.
Short press SOS key after sim card inserted and startup (green light will be on for 1s if server is connected; red light will be on for 1s if server is not connected).
Key 2: Short press key 2 for play in case of a voice; long press key 2 for voice recording, and send the voice to APP after releasing the key. Short press key 2 for answer a phone call. Keep short pressing for 3 times to dial second SOS number.
1. LED red light: Red light will flicker every 5s in case of a low battery (lower than 20%); it will flicker every 1s during charging period.
2. LED green light: Green light will flicker for 5s if there is a voice; it will normally on after fully charged during charging period.
Red and green light will flicker alternately in heart rate and blood pressure test. After the test, green light will be normally on for 3s if the test proves to be successful and red light will be normally on for 3s after the test fails.