8CH 4K DVR & 4pcs 8MP weatherproof cameras – immaculate true 4K 8-megapixel image quality day or night with up to 164ft night vision. Wide 110° viewing angle to cover more ground and keep more of what you love safe. Security cameras feature heavy-duty metal weatherproof IP67 housings for indoor and outdoor use. Built-in microphone allows for one way audio.. SMARTER SECURITY – receive motion alert notifications and review footage via your Smartphone with the Amcrest View app. Set custom motion zones and sensitivities as well as playback and record professionally on the DVR directly with an HDMI output (Monitor Not Included). Connect via Your PC using Amcrest surveillance Pro for Windows and Mac (Included) or Blue Iris professional. Works with Pale Moon and Sea Monkey browsers, IE, Safari, Firefox 49.0 and Chrome with Amcrest web view extension.. PRE-INSTALLED 2TB HARD DRIVE — Supports ultra-long continuous recording and backup via USB. The security camera system DVR can be set to automatically overwrite the oldest footage and perform periodic back-ups via USB to an external hard drive or USB flash drive. For even further extended recording times, the system can be set to record motion events only. Pre-Installed 2TB Hard Drive (Supports up to 10TB Hard Drive's).. IN THE BOX - ROBUST COMPATIBILITY – Security camera system kit includes 1pc 8Channel 4K DVR with Pre-Installed 2TB Hard Drive, 4pcs 4K 8.0MP outdoor/indoor IP67 weatherproof cameras, 1pc 4CH camera power supply and 4pcs 60ft Siamese Coax Cable. DVR supports HD-CVI, AHD, HD-TVI and IP Cameras.. SIMPLE, RELIABLE, SECURE – All security camera systems and DVRs feature a secure SSL/HTTPS connection and are CE and FCC certified with UL compliant power supplies. At Amcrest, we want to ensure the safety of our customers, their loved ones, homes, and businesses. You’ll receive a full 1-year US Warranty and Lifetime Support provided directly from Amcrest..