Simple DIY Digital Peephole Viewer
Lens pixels: 0.3 Mega
Lens view angle: 60 degree
LCD Screen size: 2.5 inch TFT, 320x240 pixels
Fit for door thickness 40-70mm, door barrel 14mm
Power source: 2xAA batteries
Power consumption: 600w
Save energy: Turn off automatically after 15s, 2xAA batteries can work for 1 year.
Viewer size: 125x90x25mm, 143g