1 x 4 Channel Wifi NVR – The Wireless Recorder features Camera Repeater technology, which allows for reliable wireless connection even for transmission through multiple walls. 4 x 1080P H.265 Bullet Wi-Fi Camera | H.265 | Night Vision | Built-in Mic | IP67 Weatherproof | Wi-Fi Connection | Cloud. High quality sensor and IR lights provide clear pictures at night, up to 30m/98ft away. IP67 weatherproof design for use in multiple scenarios. 2.4GHz Wi-Fi with external antenna ensures stable video streaming even at long ranges. Sends instant alerts to your smartphone whenever it detects motion, keeping you aware of what’s going on at home from anywhere. The high quality microphone picks up sounds clearly while monitoring.