an advanced easy to use surveillance system with 720p high definition video to see protect your premises set forget by recording from 8 channels for 50 days onto a 500gb hard drive seeing is believing with 4 x 720p 1 megapixel hd cameras offering 65ft20m infrared night vision durable construction for indoors or outdoors expand by adding 4 more swann pro t835 or t836 cameras for full 8 channel monitoring save time have peace of mind by easily locating incident video the