There are many times in life when you want to be sure of something, but there is no way of getting the answers you need. For instance, you may suspect your spouse is cheating on you, but cannot get any concrete evidence that will enable you to make a firm decision on the relationship. A great option, is to use spy cam gadgets. All you have to do is install it in their car or inside your house. You can put it behind the book shelf, in-between books, in the vents or anywhere else where it cannot easily be noticed.
There are many types of spy cams. The simplest only record footage, which can be reviewed later. The latest, however, can stream the footage in real time to your phone or computer. This will allow you to act just in case you want to stop something bad from happening.