WiFi positioning

WiFi 2.4GHz, 802.11 b/g/n

GPS positioning accuracy

2.5m

Water resistance rating

IP67 (Withstand being submerged in water for up to 30 mins in a 1-meter depth.)

Operating temperature

-20°C to 55°C

Operating humidity

5%–95%

Memory

8 MB

Sensor

3-axis accelerometer

Microphone/ Speaker

Internal microphone and speaker

LED indicator

3 indicators showing power, WiFi, GSM, and GPS status

Backup battery

2000 mAh/3.7 V

Power consumption (normal)

40 mA (average current; 3.8 V; GPS ON; WiFi ON; upload data every 60 minutes)
50 hours of battery life: upload data every 60 minutes

Power consumption (standby)

5 mA (average current; 3.8 V; GPS OFF; WiFi OFF; don’t upload data)
400 hours of battery life

Charging

2 charging methods:
a) Wireless charging (optional): 500 mA (charging time: about 6.5 hours)
b) Magnetic charging: 1800 mA (charging time: about 2.5 hours)

Button/ Switch

1 SOS button (used for sending SMS/GPRS alarms and calling)
1 power button
2 volume buttons
1 answer button
1 hang-up button

Weight

106g

Dimension:

108 mm x 52 mm x 18 mm