Item Features:1. Main function: Visual Doorbell Night vision TF card slot Photoshooting 2. LCD screen: 3.0 inch HD TFT, Resolution 960x2403. Unique magnetic installation structure4. Camera view angle: 140 degrees5. Support TF card up to 8GB, suggest 2GB (not included)6. Zoom function7. Power source: 4xAA batteries8. Fit for door thickness 35-105mm, door barrel diameter 12-55mm

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Item Package include:1xviewer,1x Base flange,1x peephole camera,1x tightening tool,1x manual