GW Security 1080P HD-AHD 4 CH Video Realtime System - Four 2MP 960p 3.6mm Wide Angle Zoom CCTV Cameras, 30-IR LED Infrared Light High Definition HD-CVI 1080P 4 Channel DVR + (4) 2 Megapixel 1080P 2.8-12mm Varifocal Lens Security Cameras with 30Pcs IR LED up to 80FT IR distance HD Over Analog (HDCVI) offering finally brings crisp 1920x1080p (1920tvl) resolution to the closed-circuit platform, allowing you to take advantage of existing CCTV/coaxial infrastructure. HDCVI enjoys industry leading point-to-point transmissiong distance of 984ft (300m) from camera to DVR. Built in 2.8~12mm Manual Zoom Varifocal megapixel HD lens with IR-CUT which allow you to adjust the angle of Viewuilt in Infrared LED, View up to 100ft IR Distance. Weatherproof housing cameras for indoor/ outdoor use Quick QR Code Remote Access on Smartphone / PC Devices with Free Apps. Built in OSD Menu, Signal over Coax cable, controlled by HD-CVI DVR Pre-installed 1TB Hard Drive and (4) Pre-made BNC cables. 1 Year Warranty and Free Life Time Tech Support From U.S.A.