NorthShire Wireless Surveillance Camera Kit, NVR HD Security [1.0 Megapixel] Camera System with 4CH 720P 1.0MP Waterproof Superior Night Vision HD (Scan QR Code Quick Remote Access) with No HDD This Wireless High-definition Security System is Wildly Used in Hotel, Stores, Station, Business and Home. It is No Need for You to Know Much about Settings, after Plug & Play, You Are Done. Just Scan a QR-code on the NVR to Setup the Remote Access in Minutes. Then You Can View the Cameras Anytime Anywhere by smart phone or tablet. whenever motion is detected by the surveillance system. All Wireless Systems FCC Certified with Qualified Power Supplies, Protect Your House From Drilling Holes. High Resolution Wireless IP Cameras, Signal Range Over 984ft and Through 3 Walls in 200ft. "IP Pro" Service Technology Makes Remote View, Playback Easy on PC and Smartphone.