GSM: 900/1800MHz or 850/ 1900MHz. Real time location, playback. Support SMS and platform tracking. WeChat management, freely control. Support Android, IOS APP remotely controlling. SOS button for emergency, Voice alarm, Light sense alarm. Positioning accuracy: 30-200m. GSM Frequency：850M/900M/1800/1900M global using. GPRS：Class12,TCP/IP. Voltage :3.6-4.2 VDC. Stay by current：around 0.2mA. Work temperature：-40℃ +80℃. Work humidity：20% -80%RH. Surface size ：42.0(L)*20(H)mm. Weight: 40g. Package Content: 1 x GPS Tracker 1 x USB charger 1 x Lanyard 1 x User […]