Feature: 1. 2.8in LCD Screen: Super bright TFT display can greatly present very clear and accurate scenes. 2. 135° Wide Angle: No blind spot, 24‑hour security monitoring to make sure the safety of you and your family. 3. Night Vision: 2 LED lights will automatically turn on in the dark, assisting to see abnormalities outside the door. 4. Features: Convenient to mount and use, effectively avoid unnecessary disputes caused by others invasion. 5. Camera Function: Can record and take photos and videos, no need to worry about missing any guests when you are away. Specification: Item Type: Video Doorbell Material: ABS + Zinc Alloy Application: Household Battery: 4PCS AAA batteries (Not included) USB Power Input: DC5V Screen Size: 2.8in Pixel: 1.3 million Viewing Angle: 135 degree wide angle Digital Zoom: 3X Infrared Night Vision Function: Support, 2PCS LED lights 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. 14-60mm/0.6-2.4in Support Languages: Chinese, English, Russian Ringtones: 4. Package List: 1 x Inside Machine1 x Outside Door Viewer6 x Screw1 x Fixed Plate1 x Manual