4G GPS Judicial Tracking Watch (GPS watch), using GPS/ Beidou positioning combined with GSM/GPRS network, with real-time positioning and data transmission and watchband anti-disassembly functions.the product has the advantages of convenient use, high supervision efficiency, low maintenance cost, safety and health to human body, no electromagnetic radiation pollution, safer use and so on.Each device has an independent identification IMEI number. When the data is uploaded to the background, it can complete the automatic identification of personnel, track tracking, and free interference automatic screening of legal identity, etc.Can be applied to execution outside prison staff attendance record, trajectory tracking, automatic access management, message notification, particularly in the security problem increasingly prominent today, all kinds of safety management and the real-time tracking of personnel in the industry needs more and more intense, wrist strap electronic tamper with its superior performance, reliability and cost-effective provides successful solutions for our customers.