The SD4FHWT Lifetime System Warranty 1080p school bus surveillance camera system for school buses offers a low-cost student video surveillance system with a higher level of Video Evidence Security virtually eliminating the possibility video files will be viewed by outside parties on unauthorized video players. The SD4FHWT version offers Built-in GPS providing; vehicle speed and free On Screen Mapping during playback. In addition, the SD4FHW has a built-in Wi-Fi Wireless module with an external Wi-Fi antenna for increased range, as well as Automated Data File Download CMS software included with the system at no cost. The SD4FHWT mobile vehicle surveillance DVR has no moving parts in the recording mechanism, making it 100% Solid State Digital. It is able to endure very harsh environments making them well suited for high-risk vehicle applications that require rugged solid state dependability for video evidence. Driver Behavior recording aspects of the 3-Axis accelerometer, combined with the active driver alerts provide a powerful tool for management. These 1080p school bus surveillance cameras will help you keep your buses and students safe in high detail.