1、2.4in Screen: 2.4in ultra bright TFT LCD display, display images clearly and smoothly. 2、HD Camera: 0.3MP HD camera for high‑definition image catch, timely and clear shooting and recording of visitor information 3、145° Wide Angle: 145° wide angle lens provides you with a large field of view, 24‑hour security monitoring, protecting you and your family all weather. 4、Installation Position: The door viewer is installed in the position of the peephole on the door, replacing the optical peephole door mirror. 5、Clearly Screen Display: The image outside the door is clearly displayed on the screen of the host inside the door, allowing the owner to see the visitors outside the door clearly at home, and can take pictures manually. 6、Function: Adopt 32‑bit processor and professional video codec chip, with wide dynamic and low illumination function, support automatic color to black. Item Type: Video Doorbell Material: ABS + Zinc Alloy Use: HouseholdColor: Gold Battery: 3pcs AAA batteries (not included) USB Power Input: DC5V Screen Size: 2.4inResolution: 240x320 Pixels: 0.3MP Viewing Angle: 145 degree wide angle Camera Function: Support Video Function: Support Storage: Support up to 32G storage card (not included) Support Door Thickness: Approx. 35-110mm/1.4-4.3in Support Door Hole Size: Approx. 15-25mm/0.6-1in Support Languages: Chinese, English 1 x Inside Machine 1 x Outside Door Viewer 6 x Screw 1 x Fixed Plate 1 x Manual