【Audio Camera】With built-in microphone in the camera, our Wi-Fi security camera allows you to listen and watch what happened through the APP in your phone clearly and instantly no matter where you are.Please note camera is a one-way audio, you can only hear the other party talking, not the conversation..【Waterproof&Night Vision】The IP67 waterproof metal design ensures that cameras mounted outdoors are not affected by any rain or dust.The camera is equipped with IR-LED system, it automatically activate the infrared mode in low lighting conditions. Everything within 65 feet can be clearly observed even at night. It insures the safety of people and home for 24 hours..【Easy Installation&Setup】The camera is wireless. It means that you can connect to the NVR without a cable as long as you have WiFi. But it must to be plugged into a nearby outlet to power it. Anyone can set it up quickly and easily. Even beginners can do it in minutes..【Note】The camera can't work alone, it can only be connected to OOSSXX wireless system to work properly.