•Feature Industry grade design GSM 850/900/1800/1900 Quad band Built-in GSM antenna Two GPS antenna, once built-out GPS antenna is cut, built-in GPS antenna can switch to start working automatically High sensitivity GPS chipset Web-based online tracking system Tracking and setting app for andriod and ios High Sensitive sensor for speeding ,vibration,power cut-off alarm Geo-fence alarming function SOS button for emergency alarm Two-way audio function Acceleration sensor, can detect hard brake,hard acceleration,sharp turn wrong driving behavior Buzzer alarm function to report wrong behavior ACC status detection and alarm Remote tele-cut off function LED showing working status, can hide LED by command SMS/email alert Uncap alarm,GPS antenna cut-off alarm, GPS module abnormal alarm Can connect with vehicle louder speaker, anti-thief alarm Remote control door open/close function Upgrade firmware over the air •Specification GSM 850/900/1800/1900 Mhz GPRS Class 12/10/8,TCP/UDP buit-in GSM module GPS channel 22 GSM antenna Built-in quad band GPS antenna 2antenna, built-in ceramics high gain antenna, external antenna Tracking sensitivity -165dBm Acquisition sensitivity -148dBm Position accuracy 5m LED display 2LED lights to show GPS, GSM status Battery 800mAh Working voltage 9V-39V Working temperature -45-70¡æ Humidity 5%-95% Weight 108g Memory 2M Dimensions 89*93mm*22mm Ceritificate CE, FCC 16 IO Power negative, positive 4 high inputs( ACC, anti-thief alert¡ê© 4 low inputs (anti-remove off, SOS) 4 outputs( remotely open/close door, cut off oil) Buzzer¡ê¡§wrong driving behavior alert) 4 self-defined IO port( 2 high 2 low) 1 Microphone port 1 louder speaker port 1 USB interface 1 piece/color box, 20 pieces/ carton ColorBox size: 155*112*63mm NW: 108g