Watch Wristwatch GPS GSM GPRS Tracker TK109 for Child Kid Elderly

Description 1 Inbuilt GPS Module 2 Internet positioning service center used to receive and send positioning information 3 GSM GPRS modem supports Quad frequency bands i e 850 900 1800 1900 MHz 4 High sensitivity new workmanship and the most advanced GPS chip 5 Can work effectively in limited space such as urban canyon 6 Low energy consumption 7 Fast signal acquisition 8 Supports single positioning and continuous tracking 9 Supports alarming and remote monitoring 10 Supports fast dial button 11 Supports the location information inquiry by SMS and Internet 12 May monitor without disturbing the tracked person and realizes real time tracking 13 Can position the holder by call or SMS 14 In emergency press the SOS button to have an accurate positioning 15 Technical Specifications Specification DIM 64 5 45 5 17 5mmWeight Kg 0 33Network GSM GPRSBand 850 900 1800 1900MhzGSM GPRS Module Sim900BGPS Module SIRF3 chipGPS Sensitivity 163dBmGPS Accuracy 5mApplicable Vehicle Power 12 VStorage Temp 40C to 85COperation Temp 20C to 65CHumidity 5 95 GSM Module GSM 850 900 1800 1900 MHz Quad frequencyGPS Sensitivity 163dBmGPS Center Frequency L1 1575 42MHzGPS Positioning Accuracy 5 25mGSM Positioning Accuracy 100 500mSpeed Accuracy 0 1 m sTime Accuracy Synchronous with GPSGPS Datum WGS 84Hot Start less than 1sWarm Start less than 38sMax altitude 18000mMax speed 515m sGravitational Acceleration less than 4gOperating Temperature 20 65Humidity 5 95 Dimensions 64 5mm45 5mm17