Revo America Wireless 4 Ch. NVR Surveillance System with 4 HD Wireless Bullet Cameras 4 Ch. Wi-Fi Network Video Recorder Pre-installed 1 TB Video Surveillance Grade HDD 2.1 Megapixel Bullet Cameras with 100 Night Vision (4) Up to 1000 Ft Outdoor Wireless Range Two-Step Smartphone View Setup - iPhone and Android