Amcrest ProHD 1080P 4CH Video Security System - Four 2.1-Megapixel (1920TVL) Outdoor IP67 Bullet & Dome Cameras, 2TB HDD, Night Vision, Remote Smartphone Access, White Mid (AMDV10804-2B2D-W) Amcrest Tribrids offer the advantage of supporting HD Over Analog (HDCVI) side by side with IP cameras. These systems bring crisp 1920x1080p (1920tvl) resolution to the closed-circuit platform while allowing you to take advantage of existing CCTV/coaxial infrastructure. Includes 4 x HD 2.1MP IP66 heavy-duty metal bullet & dome cameras capable of generating magnificent 1920 x 1080p video @ 30fps. All our HDCVI cameras feature a 3.6mm lens and wide 75 viewing angle. View and record in widescreen with remote viewing on standard web browsers PC/MAC as well iPhone, iPad and Android devices (with included Amcrest View app). Plug & Play setup, Easy to configure, access and control. Scan QR Code on DVR from "Amcrest View" App to instantly access live viewing and playback. Instead of having multiple devices independently accessible through the network, the DVR Functions as the single access point for all cameras connected over analog. This makes it significantly easier to manage and configure multiple cameras. This Tribrid system is backwards compatible with 960H and traditional analog cameras as well as IP cameras. USB backup feature for peace of mind, IP66 heavy-duty metal indoor/outdoor weatherproof cameras, and powerful IR-LED night vision. All systems CE & FCC certified with UL compliant power supplies. Guaranteed for a Full Year from purchase with US Support and US Warranty offered exclusively by Foscam Digital Tech. Pre-installed 2 TB hard-drive records continuously for 360 hours on all 4 channels in 1080p @ 30fps, or much longer (30-50+ days) using motion detection or scheduled recording.Uncompressed latency-free analog transmission ensures you see things in realtime, as they happen, without loss or delay. HDCVI enjoys industry leading point-to-point transmissiong distance of 984ft (300m) from camera to DVR, surpassing the capabilities of IP/POE and HD-SDI. Includes 2 x 60ft and 2 x 100ft Siamese cables.