Real Time Two Way Conversation GPS Watch

Features
Get latitude and longitude: The installation of mobile phone equipment, vehicles can get the location of longitude, latitude.
Watch features: viewing time.
SOS for help: The help button can be two-way communication with the stored numbers and send the latitude and longitude.
Fast Talk: Support two buttons speed dial function, real-time two-way conversation.
Set Location Interval: The phone’s settings, data transmission intervals.
GPRS upload feature: You can upload data via GPRS to the platform server, real-time tracking and historical trajectory queries.
Technical Specifications
GSM module: GSM 850/900/1800/1900 MHz Quad frequency
GPS sensitivity: -163dBm
GPS center frequency: L1, 1575.42MHz
GPS positioning accuracy: 5-25m
GSM positioning accuracy: 100-500m
Speed accuracy: 0.1 m/s
Time accuracy: Synchronous with GPS
GPS Datum: WGS-84
Hot start: < 1s Warm start: < 38s Max. altitude: 18000m Max. speed: 515m/s Gravitational acceleration: ﹤4g Operating temperature: -20---65℃ Humidity: 5%---95% Dimensions: 64.5mm*45.5mm*17.5 mm (main unit) Voltage: Rechargeable 450mAh battery Power supply: DC5V Standby time: >48h
Buttons: One SOS emergency button for emergency aid; Call A, Call B, Switch on and off buttons.
Accessories
Main unit
USB data cable
Charger
Battery