Revo DVR Video Camera Kit for St Louis Businesses and homes. This is the perfect video surveillance system for any medium to large sized business or home. It includes 4 indoor use dome cameras with tinted housing and 4 indoor/outdoor bullet cameras. Each camera features a built in microphone and up to 100 feet of night vision capabilities. The included DVR system features 2TB of hard drive storage to allow for up to 2000 hours of recorded video, depending on your settings.