Key Features: With 4 Smart WiFi Cameras With Recording Monitor Two-Way Communication Color & Infrared Night Vision Two-way Audio communication and LED lights Ability to record on HDD or MICRO SD (memory cards up to 128 GB) Digital video surveillance system with 4 wireless IP cameras NVR recorder with 10″ screen and complete connection equipment IP66 camera certification for indoor or outdoor installation Cameras and recorder have built-in WI-FI modules for wireless transmission of video signals Camera resolution (FHD resolution) IR diodes for night operation allow a range of up to 40 meters in the dark The NVR is equipped with an omni WI-FI antenna, has VGA and HDMI outputs, RJ45 WAN connector, USB and DC connectors Supports humanoid tracking and motion detection App for android and ios phones, for real-time monitoring Built-in white light diodes + infrared LEDs, supports 3 night modes: infrared night, color night, smart night P2P technology Features noise cancellation and noise reduction technology, perfect two-way intercom voice effect Supports remote viewing for multiple users The NVR features e-cloud technology for easy Internet connection and monitoring via mobile phone, tablet, computer, no extra cost