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.<br> 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<br> 3. Waterproof grade IP67. Web platform/ Mobile App/ SMS commands check. Fall alarm. Remove the alarm<br> 4. GPS positioning accuracy: 5-15 meters (outdoor open ). Battery capacity:1000mA. Standby Time:7 to 10<br> 5. WIFI positioning accuracy: 15-100 meters (Under WIFI range). Working temperature: -20C - +70C. Operating humidity: 5% - 95% RH<br> How To Configuration Your Watch<br> Step 1 - Insert the SIM card<br> After inserting the SIM, dial the SIM's number.<br> If get through with no answer, the device works.<br> - Set APN<br> Send the following by you phone:<br> pw,,apn,apndata,username,user password,network code#<br> Eg: pw,,apn,cmnet,cm,pd,46000#<br> (cmnet, user name:cm, password:pd, :460, MNC:00)<br> Note: if apn information wrong, it didnt works<br> Step 3 - Set Fall Alarm<br> Send the following by your phone:<br> pw,,falldown,1,1#<br> Set Ip (if you need integrate it into your server)<br> Send the following by your phone:<br> pw,,ip,.gps123.,8888#<br> Set to factory<br> Send the following by your phone:<br> pw,,reset#<br> Notice:All commands be correct forms & 't go to step before receiving reply from the device.<br> Operating:<br> 1. Heart rate, blood pressure and temperature detection<br> 2. Pill reminder, step counting and health management<br> 3. Fall Alarm(Phonebook), Alarm<br> 4. Voice/Vibration Mode<br> Version A bands combination:<br> Europe,Asia,Africa, Such As Korea,Israel,,France,Netherlands etc.<br> 4G-FDD:Band 1/2/3/5/7/8<br> 4G-TDD:Band 38/39/40/41<br> 2G-GSM:Band 2/3/5/8<br> Colour:Black-Red<br> Material:plastic<br> Package Contents:<br> 1 * GPS Tracking Watch<br> Only the above package content, other products are not included.<br> 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.