Product Name: Mini Pendant GPS Tracking Device for Kids Elderly Children Monitor Model NO.: GT027 Warranty: 1 Year Certification: RoHS, FCC, CE Use: Automotive, Hand Held, Phone Calling Screen Size: No Screen Tracking System: APP/SMS/PC Li-Battery: 500mAh Trademark: OEM Transport Package: Packing Box, Gift Box Specification: 37x15mm Origin: China Shenzhen HS Code: 8526911000 Product Description This is Fashional Real-time portable Mini GSM GPRS GPS kid elderly SOS phone callingtracker SMS alarm voice recorder and monitor,Gps tracking device comes with a built-in microphone and built-in speaker. Children can get in touch with us in a short time via the microphone and speaker when they are in danger outside.In addition, the device could save the tracking route for three months, you can have the tracking route playback anytime.Main FeatureWorking in GSM 4 Brand global frequency (GSM 850 / 900 / 1800 / 1900MHz) systemPosition query through SMS, WeChat public account or on the computer service platformRemote control via Android or iOS system on the cellular phone.SOS emergency callAlarm system by acoustic controlAlarm system by light perceptionAuto-Answer Two-Way CommunicationProduct Main specification:GPS ChipMTKMT2503+RDA6625EGPS Module:UBLOX 7020GPS Channel24GSM frequencies850M/900M/1800M/1900M available globallyGPRSClass12,TCP/IPGPS precision3-15mGPS sensitivity-165DBWork environment temperature-20 - +70 degreeWork environment humidity20% - 80%RHwaterproof degreeIP67Built-in Li-battery500mAhColourblack and customized colourAn OEM manufacturer specialized in GPS Tracking system and the production GPS GSM trackers for vehicles, person, Pet, wild animals......Etc.Our solution-oriented team offer the reliability and capability to customize a great range of GPS tracker and solution if our existing tracking products and the system do not seem to suffice your requirement.