​SOS working method is : once user press GPS SOS panic button in emergency situation, the device will auto call SOS bound 3 phone numbers in app in 2 rounds until anyone number pick up;meanwhile send SOS SMS alerts with Googlemap GPS position URL and syncs the SOS notification to server end and app end; GPS get the position from satellites (outdoor) ,or get position from( Indoor)LBS or WIFI , syncs the datas to server , server syncs the datas to phone app ,GPS is mini phone system , work with phone app for voice call , intercom chatting and Video call if firmware support(4G) , this is phone to phone working method, if the sim card in the GPS is available for international roaming, then GPS is ok for global monitoring. All working features in the app. Regarding the emergency call, Please kindly note all our GPS with panic SOS button for emergency call once the user in an emergency situation

Does GPS Watch need a phone line?No. GPS Watch works as a mobile phone with sim card for all GPRS communications, completely independent of the telephone line. There is no need to carry a mobile phone.it's more than a phone.

Brazil client visit us on 01.November, 2019

Overseas Clients video for kids GPS watch and senior healthcare

HKTDC Fall Fair Oct.2015

HKTDC Fair participated in Apr.2015