It is safe to have a peephole door viewer and even better to get a LCD peephole door viewer. The only problem is the price much higher to electronic one. But your safety is important, isn’t?[starreview tpl=16]
As the Cannon LCD Peephole Door Viewer (DDV-S-01) is on today Cyber Monday list you don’t have any excuse to buy one!
LCD Peephole Door Viewer technical details:
3.5 inch LCD screen
Simple one button operation turns screen on giving you a 120 deg view
Fits any door 40-70mm/1.57″-2.76″
4 AA batteries included