H.265 1080P Full HD Human Detection: Quickly find human targets in you home Built in Microphone Diversified Storage: Supports NVR, Cloud Storage or Micro SD card (up to 256GB) Abnormal Sound Alarm: Sends alerts to your smartphone when it detects abnormal sound Alarm Notification: Sends instant alerts to your mobile phone when an event is detected 24/7 Protection: Excellent night vision, feel safe even in complete darkness Wi-Fi Connection: IEEE802.11b/g/n(2.4GHz)