GPS wtch, as a personal remote positioning device made up of GPS module and GSM/GPRS module, is compact in dimensions with high accuracy. On the basis of GPS satellites and under dynamic conditions, it can provide you with accurate and correct location information. With such features, it can be used to protect and look for our old people and children. It can also be used for safety purpose and other purposes, such as remote positioning to protect property safety.
Features:
Inbuilt GPS Module
Internet positioning service center, used to receive and send positioning information
GSM /GPRS modem supports Quad frequency bands, i.e. 850/900/1800/1900 MHz
High-sensitivity, new workmanship and the most advanced GPS chip
Can work effectively in limited space such as urban canyon
Low energy consumption
Fast signal acquisition
Supports single positioning and continuous tracking;
Supports alarming and remote monitoring
Supports fast dial button
Supports the location information inquiry by SMS and Internet
May monitor without disturbing the tracked person and realizes real-time tracking;
Can position the holder by call or SMS
In emergency, press the SOS button to have an accurate positioning

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: SOS button for emergency aid; Call 1, Call 2, Switch on / off buttons, interface switch button

Item Includes:
Main unit
USB data cable
Charger
Headset cable (optional)
2 x Battery