Revo Advanced Video Surveillance Kit with 10 indoor/outdoor use bullet style cameras for St Louis businesses. This advanced video surveillance kit is perfect for businesses. The ten indoor/outdoor use bullet cameras are 1200 TV lines resolution and feature night vision capabilities for video surveillance up to 100 feet in total darkness. These cameras each have a built in microphone for audio recording and are made with a weather-resistant housing. The 16-channel DVR features 4TB of hard drive storage.