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 + 2G GSM, Working :5-6 (Typical). Positioning : GPS + Beidou global satellite + WIFI + LBS. Health: Heart rate, blood pressure and temperature detection. Pill reminder, step counting and health management 3. Waterproof grade IP67. Web platform/ Mobile App/ 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 - +70C. Operating humidity: 5% - 95% 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 & '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/Vibration Mode Version A bands combination: Europe,Asia,Africa, Such As Korea,Israel,,France,Netherlands etc. 4G-FDD:Band 1/2/3/5/7/8 4G-TDD:Band 38/39/40/41 2G-GSM:Band 2/3/5/8 Colour:Black-Red Material:plastic Package Contents: 1 * 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.