[Compatibility Note] — The Tenda N3L NVR is compatible with IP Cameras that supports ONVIF Version 2.6 and previous versions. Please confirm the ONVIF version supported by your IP Camera and make sure your camera support ONVIF protocol rather than its proprietary protocol only. Please feel free to contact us via support.us(a)tenda.cn if you are not sure about the compatibility of your cameras or if you run into any trobule setting up the nvr. Cloud Storage & Remote Viewing: With TDSEE APP, you can view the recorded videos on your mobile phone anytime and anywhere. Instant alerts via phone notification for peace of mind. Cloud storage is also available for added storage options. (3-month free trial on all channels). Improved Data Safety and Security: Bad sector isolation feature automatically detects, identifies, and skips the bad sectors on your hard drive. The Tenda NVR also includes USB backup feature to protect the video data. All systems are CE & FCC certified. H.265+ Video Compression: Powered by H.265+ video compression technology, Tenda’s N3L-4H NVR saves you storage space while keeping excellent video quality and details. By supporting H.265+, H.265 and H.264 encoding and decoding, this network video recorder also broadens your choice for IPC cameras. Easy Setup & Wide Compatibility: Tenda N3L-4H NVR Recorder automatically search and connect to cameras on your network to make setup easier for you. It supports Tenda IT7/IC7 Series Cameras and cameras from other brands that support ONVIF protocol. Specifications: Up to 16-CH 8MP/4K network camera inputs; Up to 4-CH 1080P decoding capability; Up to 60 Mbps incoming and outgoing bandwidth; Up to 1080P HDMI and VGA simultaneous output; Up to 10TB HDD support.