This security system is capable of recording in crystal clear 1080p full high-definition resolution to see faces, licence plates, and clothing. The cameras plug into power while their video signal is sent back to the NVR via Wi-Fi. With a built-in microphone and speaker, you can listen, talk back, and record audio to help you identify what’s happening. Be protected day and night with the camera’s powerful infrared night vision that gives you amazing colour video at night. Swann’s True Detect heat and motion detection senses people and cars for more reliable monitoring and fewer false alarms. The NVR connects to your internet router via the included network cable or Wi-Fi, while the SwannNet technology allows you to select whether each camera connects to the NVR or your home Wi-Fi, meaning you can choose whichever network has a stronger Wi-Fi signal. Controllable spotlights and sirens deter intruders The cameras plug into power while their video signal back to the NVR is wireless, making installation easy Powerful night vision up to 30-m (100-ft) and the ability to see colour video at night up to 10-m (32-ft) Heat and motion-sensing for more reliable alerts 2-way audio to greet guests or warn intruders Weatherproof design, IP66 rating, built to withstand rain, shine, snow and dust Retain video up to 12 months onto 1 TB hard drive and back up to the cloud Swann 4-Channel 1080p Wi-Fi Wireless Outdoor Security System with 2 Cameras