WP9900 is an Android black box with built in GPS for navigation or other GPS applications. With optional 3G and wifi module, WP9900 provides internet access as your car computer for APK market download. We have also developed DVR application on this model. As long as you have purchased the extra video-input feature, 1-channel DVR can work simultaneously on WP9900. Multi-language and touching support have made WP9900 a universal Android unit.