1. One click SOS button for help. One clicks for a fast cal. Low battery alarm. Ringtone to find the bracelet,Talking clock. This is a high-precision chip SOS device. The sensor we use is the best material. 2. Network: 4G LTE and 2G GSM, Working :5-6 (Typical). Positioning : GPS and Beidou global satellite and WIFI and LBS. Health: Heart rate, blood pressure and temperature detection. Pill reminder, step counting and health management 3. Waterproof grade IP67. Web platform or Mobile App or SMS commands check. Fall alarm. Remove the alarm 4. GPS positioning accuracy: 5-15 meters (outdoor open ). Battery capacity:1000mA. Standby Time:7 to 10 5. WIFI positioning accuracy: 15-100 meters (Under WIFI range). Working temperature: -20C - and70C. Operating humidity: 5 percent - 95 percent RH How To Configuration Your Watch Step 1 - Insert the SIM card After inserting the SIM, dial the SIM's number. If get through with no answer, the device works. - Set APN Send the following by you phone: pw,,apn,apndata,username,user password,network code Eg: pw,,apn,cmnet,cm,pd,46000 (cmnet, user name:cm, password:pd, :460, MNC:00) Note: if apn information wrong, it didnt works Step 3 - Set Fall Alarm Send the following by your phone: pw,,falldown,1,1 Set Ip (if you need integrate it into your server) Send the following by your phone: pw,,ip,.gps123.,8888 Set to factory Send the following by your phone: pw,,reset Notice:All commands be correct forms and 't go to step before receiving reply from the device. Operating: 1. Heart rate, blood pressure and temperature detection 2. Pill reminder, step counting and health management 3. Fall Alarm(Phonebook), Alarm 4. Voice or Vibration Mode Version A bands combination: Europe,Asia,Africa, Such As Korea,Israel,,France,Netherlands etc. 4G-FDD:Band 1 or 2 or 3 or 5 or 7 or 8 4G-TDD:Band 38 or 39 or 40 or 41 2G-GSM:Band 2 or 3 or 5 or 8 Colour:Black-Red Material:plastic Package Contents: 1 x GPS Tracking Watch Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.