Cw-601g 1.Plug and play, no installation cost; 2. Small size and compact design; 3. Obdii and canbus protocol; 4. Dc 12v and 24v; 5. Internal gsm and gps antennas; 6. Tcp and udp; 7. Update firmware over the air; 8.Collect accurate location, speed, mileage and fuel consumption data; 9. Illegal start-up, impact and rollover alarm; 10. Detect harsh acceleration, braking, turn and high revolution; 11. Driving behavior recording and optimization; 12.Remote diagnosis; 13. High performance quad-band zte gsm module and sensitive u-blox neo-6m (gps, galileo and sbase) gps module as well as high-performance nxp arm mcu; 14.Store break points data in non-volatile memory; 15. Three led indicators: power, gps, gsm; 16.Track on google map and other maps; 17.Smart phone app (android and ios) and web-based management software; 18.Sim card slot or built-in sim chip; 19. Auto sleep mode to save automotive power; 20. Wide working temperature range: -30 to +80c 1. The price is quoted excluded shipping cost. 2. The price is flexible depend on your formal order quantity(about 10%) 3. The general weight of 1 cw-601g is 0.06kg. 4. For sample order, we will accept payment by t/t, west union, paypal