Features: *Support WiFi connection, Android IOS APP remote control. *HD 720P image quality, support night vision, camera view angle covers 166. *PIR motion sensor+ motion detection, push alarm to mobile via APP, more safe and accurate. *Support visual intercom, IR night view, TF card record. Support up to 32G TF card storage(not included). *Support 2-way audio communication, answer your door wherever you are. *With wireless doorbell chime, working range 1000ft/300m in open area, providing loud music chime. *Support two power modes optional: battery or USB cable, (Both not included) very convenient.