gps for car for 900c gps tracker

900C gps tracker Specifications : Track on Web or Mobile PhoneListen-in or Two-way Audio (Use the SMS to set the communication mode)Internal 2Mb Flash Memory for Logging when the device in the gprs blind area FEATURES: Good for tracking, fleet management and security Track by SMS/GPRS Band: 900MHz/1800MHz and 850MHz/1900MHz User can link to the service center GPS tracking website through the Internet to see where is the vehicle on the Google earth and vehicle situation information Listen-in or Two-way Audio (Use the SMS to set the communication mode) Internal 2Mb Flash Memory for Logging when the device in the gprs blind area 850mAh Internal Backup Battery Overspeed alarm cut off oil and engine vibration alarming, door opening alarming, and power-off alarming and unlock alarming Automatic position report Remote cut off engine MainPower off alarm With LED indicator Dimensions: 118 x 93 x 6mm