VT900 is a advanced GPS/GSM/GPRS tracking device which is specially developed and designed for vehicle real-time tracking and security. With superior GPS and GSM modules, VT900 has good sensitivity and stable performance. Especially, VT900 is well designed to work with our web-based tracking system, which is suitable for a company to establish a tracking server to provide real-time tracking solutions to their customer or manage their fleet. It is an fully function tracker that supports camera and voice prompt/broadcasting functions and has strong expansibility and customization ability.