Wireless operation via GM KONNECT APP. With no Hassel of extra wiring and easy connectivity via mobile phone, this can be configured and used very easily. Stores the recordings upto 128GB on your external SD card and download it anytime in your phone . With WDR(Wide Dynamic Range) and Night vision the view from the camera is very clear even in the night or when the visiblity is very low . With 160° viewing angle three will be no possibility of blank spots in front of your door. And with Full HD view is is easy to recognise and grant access to the visitors The Smart AI human filtering will avoid the unnecessay App notifications The Vandal proof Technology provides double safety to your doorbell Communicate to the Visitor from anywhere in the world with your phone and experience the safe and Easy communication. With more than 50+ melodie options you can select the tune and change it anytime as per your preferences. Unlock your Door (NO/NC or Magnetic Door lock) from your phone for easy door unlocking. This product comes with IP65 rating, making it dust and water resistant.