The Observer 4401 HVR records up to 5 channels of crisp 1080p resolution,supporting 4 HD cameras and 1 IP camera. Equipped with H.265 video compressionfor smaller file sizes, the Observer 4401 HVR can store even more HD video andsignificantly lower bandwidth costs when wirelessly offloading recordedfootage. With dual SD card slots, an optional secondary SD card can be used foreither mirror recording or as an additional storage device. The Observer 4401HVR comes fully loaded with built-in wireless and cellular networkingcapabilities, integrated GPS, and a built-in G-force sensor, offering fleetoperators a cost-effective recording solution they can rely on. Comes with a 3year warranty. HD Video Recording 4 HD Channels + 1 IP Channel H.265 Video Compression Dual SD Card Slots – Up to 256 GB each (512 GB total) Mirror Recording Optional on Secondary SD Card 8 Customizable Sensor Inputs Integrated GPS Built-in G-force Sensor WIFI and Cell Networking New verion for Observer 4000 Sold as each Warranty: 3 Year