product name: Damini Smart Electronic Peephole Door Viewer
screen size: 4.3 inches (display)
Operation method: button
Viewing angle: 140°
Photo/ camera: stand by
Output format: JPG
Storage type: TF card
Host size: 136mm*83mm*13mm
Slave size: 62mm*62mm
Camera pixel: 100Ten thousand
Power supply: lithium battery
Door hole range: 15mm-45mm
Suitable for door thickness: 35mm-110mm