Features:
Doorbell function with four different bell options
Supports photo and video capture
720P night vision with built-in infrared lamps
120 degree wide-angle lens
Powered by 3xAAA batteries (not included)

Specifications:
Material: Metal
Night Vision: 720P with 2 Infrared Lamps
Lens: 120 Degree Wide-Angle
Storage: Compatible with 32G Tf Card (not included)
Door Hole Compatibility: 12-45 mm
Door Thickness Compatibility: 35-105 mm

Package Includes:
1 x 2.4 Inch Screen Digital Door Viewer Support Night Vision Tf Card Take Photos And Video