Auto Pair, True Plug and Play. Simply connect the cameras and NVR to the Power by included power adapter. With the built-in microphone and speaker of the wireless security camera, you can see, hear and talk to anyone who appears on the screen of your device. With motion detection and voice alarm function, It will turn on motion-activated sound alarm to warning the unwanted visitors when detect moving object. No need voice alarm, You also can turn off this function. Clear 5mp FHD Video. Ideal for home or business 5MP(2560×1920) offers exceptional Full HD resolution and quality enhancing efficiency and monitoring capabilities. 24/7 recording & Local/Cloud Storage. 24/7 hours continuous recording. The camera system can share multiple users in globally at the same time, you and your family can take care of home property together. The camera can continuously shoot black and white images throughout the night. The Fully waterproof (IP66-rated) can operate perfectly in freezing or broiling temperatures (10°F – 131°F), Rain or shine, always ready for extreme environments. 8 Channel 12” Inch Monitor.