Ubiquiti Networks NanoSwitch Outdoor 4-Port PoE Passthrough Switch (N-SW)

【Auto-Pair and real Plug & Play】You can reduce complex cabling issue in your house, the NVR will connect the cameras automatically Wirelessly. Just plug the wireless security cameras into nearby power outlets, download free app, and follow the in-app instructions to setup the wireless security system.
【 Build-in PIR Sensor and Motion detection 】This is a high precise electronic sensor that detect infrared light raidating provided from human body temperature in its field of view. When people is detected in the viewing range, the device will trigger an email alarm and start video recording, Build-in PIR sensor will eliminates the number of false alarms you received by up to 90%.
【 Build-in IR Night vision Leds】 This cameras will use these in low-light conditions to generate a black and white image, you can get a crisp image even in total darkness environment.