EV-601 is designed for vehicle security and fleet management applications. It integrates a U-blox GPS receiver and quad band GSM/GPRS module. EV-601 tracking system is easy and quick to install, saving costly installation time and fees. Plus voice monitor and Geo fence functions, this is simply your best choice for remote tracking.   1, Real time Online tracking via GPRS.  2, Check the car's real address (City, Street etc) via SMS 3, SMS/GPRS simultaneously. 4, Reply map link of current position. 5, Power lost alarm. Back-up battery low alarm. 6, Over speed alarm. 7, SOS emergency alarm. 8, Movement alarm. When the car moves out, it will send SMS/GPRS alert, Be able to set via SMS or Tracking website. 9, Geo-fencing setup(in&out) and breaking alert. Support rectangular and polygonal types. 10, GPS signal lost and recovery alert. When the device lost GPS signal, it will send the last location to user immediately. 11, Voice wiretapping. Monitoring the voice remotely by Cell phone. (authorized only) 12, Cut off Engine/Oil immediately (Standard). 13, Cut off Engine/Oil gradually for safety (Optional). 14, Save GPRS cost function (optional) 15, Auto Tracking by time intervals (via SMS). 16, Tracker’s name defined by SMS. 17, Input/Output ports trigger alarms. 18, Vehicle’s ACC on/off, Doors open/close status can be checked on the website 19, Command to switch on/off siren/horn Sound via SMS or website. Used to threaten car theft. 20, Built in 8MB flash memory. It can save 60000 waypoints. 21, Built-in backup rechargeable lithium battery: 1200mAh 22, Firmware upgrade over the air. It saves your trouble to fix bug or upgrade to the latest firmware for the device. No need to take out the device from the Vehicle. 23, Free GPRS Web online tracking. 24, Customized functions are available.