Introduction: GP4000 is an intelligent GPS vehicle tracker with high cost-effectiveness, its stable performance has been strictly tested in 55 countries under different applications. It has been widely used in remote monitoring and management of logistics fleet, concrete mixing fleet, reefer fleet, taxi fleet and construction machineries, etc.. GP4000 is applicable to different vehicles and applications with the feature of 8 I/O signal inputs, 6 signal outputs, 1 RS232 serial port supporting more than 10 kinds of external devices. Features: Low power consumption & wide voltage input Multiple intelligent uploading modes, especially data uploading for angel variation. Built-in triaxial G sensor applicable to different customized projects including intelligent harsh braking alarm . Built-in road and polygon Geo-fence with alarms for road deviation, road speeding, zone speeding, zone overtime, etc. . More than 20 kinds of alarm are available (SMS, GPRS). More than 10 kinds of external devices are supported with excellent redevelopment frame. 43,200 pieces of history data storage with the feature of continuing transferring from breakpoint. OTA Function List: Type Description Basic Function Transmission Mode TCP/UDP/SMS Interval type for data uploading Time interval / Distance interval / Angle variation Data flow control / Power saving mode Factory Setting / Customization / GPS module power off Intelligent data uploading of time management Time Reference / Week Reference /Day Reference Vibrating detection Built-in triaxial G sensor OTA Continue transferring from breakpoint Mileage Statistics GPS mileage / Electronic mileage Remote Listen-in Active / Passive Geo-fence 64 Road / Polygon Geo-fence 100 Hotspot 100 Alarm Type GPRS/SMS/EMAIL Domain name supported / Build-in backup IP supported Blind area data supplementary uploading /History data intelligent uploading (43,200 pieces) GPS antenna open/short circuit detection / GPS signal uploading in real time Self-check/Self-recovery/Self-protection/ Build-in battery Alarm 20 kinds Alarm Function Enter/Exit Geo-fence Alarm, Overtime Parking Alarm, Fatigue Driving Alarm, Overspeeding Alarm, SOS (panic button) Alarm, Backup Battery Starting Alarm, Illegal Ignition Alarm, Harsh Braking Alarm, Neutral Gear Gliding Alarm, Fuel Level Change Alarm, Seat Belt Unfasten Alarm, Towing Alarm, Hotspot Alarm, Deviation from the Route Alarm, Overspeed on Certain Road Alarm, Overspeed in Zone Alarm, Temperature Variation Alarm, Abnormal Tire Pressure Alarm, GPS Antenna Disconnection Alarm, etc. External Device MDT (Dispatching screen) Two-way voice/SMS dispatching Camera RFID High precision fuel level sensor Tire pressure monitoring sensor Temperature & Humidity sensor Password keypad Taximeter Two-way voice box Magnetic door sensor Concrete mixer sensor Control Function Remotely cutting off the fuel pump / 5 output control defined by user I/O Port 6 Switch signal input 1 Analog signal input (0-5v) 1 Pulse signal input (