Smallest GPS Gf21

Remote pickup, remote recording, app listening, voice recording, voice control callback, real-time tracking, shock burglar alarm, sos one key for help, historical trajectory comprehensive support :wifi, lbs ,gps high-definition silicon microphone electronic fence support a variety of power saving mode low battery reminder remote switch machine built-in strong magnetic free installation 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 - 70 deg.c network standard: gsm / gprs body memory: 1024m