1、HD Wide Angle Lens: This video door phone uses a high definition wide angle lens, you can see a wider perspective, the situation in front of the door as far as the eye can see, so that there is no security dead zone in front of the home. 2、Motion Detection: This visual intercom doorbell comes with a PIR human body detection module, which can accurately determine whether a moving object is a human body or not, effectively improving the recognition rate, and automatically sending alerts to your cell phone when someone is standing at the door. 3、WiFi Connection: This video door phone system supports connecting to the internet via WiFi, through the mobile app you can confirm the situation outside the door anytime and anywhere, you can also have a remote conversation. 4、Excellent Aluminum Alloy Material: The shell of this video intercom doorbell is made of excellent aluminum alloy material, which is sturdy and durable, not easy to be damaged, and has a long service life. 5、Security Alert: When someone presses the outdoor camera door intercom, the cell phone will receive an alert and the display screen will light up with a beeping sound, so that the elderly or children who do not have a smartphone at home can use the display to check. Item Type: Video Intercom Doorbell Material: ABS Pixel: 3MP Infrared Lights Number: 1 Night Vision Distance: Approx. 5m/16.4ft Pick Up Distance: Approx. 5m/16.4ft Screen Size: 4.3 Inch Screen Resolution: 480 x 272 Video Encoding: H.265 Storage: Memory Card (Not Included) (Supports up to 128GB) Battery Type: Lithium Ion Battery Battery Capacity: 400mAh (Shipped With Built In Battery) Charging Interface: Micro USB WiFi Version: 2.4GHz App Name: For iCam365 Screw Length: Approx. 3cm/1.2in, 5.5cm/2.2in, 8cm/3.1in, 9cm/3.5in 1 x Smart Doorbell Camera 1 x Monitor 1 x Charging Cable 8 x Screws 2 x Gaskets 1 x Base Plate 2 x Manual