Feature: 1. Built‑in wireless WIFI module for security, with stable signal and high ability of anti‑interference. 2. No need for WIFI pairing, can get the image just by opening the box and powering on. 3. Comprehensive use of wired and wireless connection is suitable for various scenarios. 4. Support P2P, quick remote connection, and 1080P fluent and stable picture. 5. Also support multiple alarm triggers, like video loss, motion detection, etc. 6. The infrared distance is about 20m/65.6ft, giving you a clearer image even at night. Specification: Item Type: NVR camera Condition: Brand new Color: Black and white Network Video Input: 4 channels 1080P Video Output Interface: 1 way HDMI Video Resolution: 1080P Recording Mode: Manual recording, scheduled recording and alarm recording Storage Type: For Sata port Storage Support: Up to 4T hard drive Wired Network: 1x10M / 100M RJ45 WAN For ONVIF support (only support LAN cable connection) Image Compression: H.264 USB Port: 2 USB2.0 Sensor: 1/4 CMOS Lens Type: 3.6 mm Mainstream of Code Stream: 1280 x 720 Substreams: 640 x480 Day and Night Mode: Photosensitive smart switch Color: Black and white pattern Infrared Distance: Approx.20m/65.6ft Minimum Illumination Color: 0.1LX/ black and white: 0.01LX Wired Network: 10M / 100M RJ45 WAN Wireless Network: 802.b / g / n (factory default paired with NVR) Motion Detection: Support Power: 3W Voltage: 110-240V DC Power Supply: DC 12V 1A Support for Android/IOS mobile (or tablet) remote (LAN and Internet) access and control Package List: 1 x NVR Monitor4 x Camera4 x Antenna1 x Network Cable5 x Power Plug 1 x Mouse 12 x Screw 4 x Spare Screw (Black)12 x Expansion Tube4 x Protective Cover for Cable Connection 1 x Manual