ALL OUR SLS KINECT MAPPING CAMERAS ARE BUILT ON SITE AND INCLUDES THE TABLET WITH THE SOFTWARE ALREADY INSTALLED, POWERED BY A INTERGRATED RECHARGABLE BATTERY PACK THAT WILL LAST BETWEEN 8-12 HOURS (DEPENDING ON WEATHER CONDITIONS) THIS DOES AWAY WITH ALL THE CONTINUOUS BATTERY BUYING OF THE PAST........... SECURE YOURS TODAY BY CLICKING ADD TO BASKET.  THERE IS ALSO THE OPTION OF BUYING WITHOUT A TABLET