Reolink NVR Wireless System with 4 Camera (RLK4-210WB4) SIMPLE WIRELESS & EASY INSTALLATION: Easiest wireless security camera system ever! Its real plug and play without messy cabling. The best Wi-Fi kit for DIY enthusiasts. RELIABLE 24/7 CONTINUOUS RECORDING: Record videos day and night non-stop in the 4 channel NVR with 1TB HDD. Up to 4TB external hard disk drive is also supported. STUNNING 1080P RESOLUTION FULL HD VIDEOS: 4pcs 2MP wireless cameras let you see true sharp video streaming of your home and business. Much clearer and shaper than 720p cams. VERY GOOD NIGHT IMAGE QUALITY, UP TO 100 FEET: 36pcs infrared LED lights ensure a long night vision distance in low lighting conditions, for 24-hour home outside monitoring and surveillance. STAY CONNECTED WITH INTELLIGENT MOTION ALERTS: Email alerts, push notifications via iPhone/Android App, and FTP upload. Youll never miss what you care about.