GF-21 Mini Voice Activated Recorder GPS Tracker Audio Record

Type gps tracker color black positioning accuracy 10 - 50 meters memory support tf card 32gb ( not included ) recording range 80 square meters platform view sms+ app + computer communication frequency 850 / 900 / 1800 / 1900mhz charging input 5v voltage working temperature -20 - 85 deg.c network standard gsm / gprs size 3.30 x 2.20 x 1.60 cm functions remote pickup, remote recording, app listening, voice recording, voice control callback, real-time tracking, shock burglar alarm, sos one key for help, historical trajectory, low battery reminder, built-in strong magnetic