Digital thermal FLIR weapon sight is the best affordable weapon. Before you buy any weapon you need to know how it works and wt it is made up of and etc. only then would we are able to make up our minds about getting the value for our money. This device uses heat imaging technology. This technology was only available for military applications and offers “see-in dark” infrared capability. You can identify. Target and eliminate in a variety of adverse conditions. It is ideal for EOD, Anti-terrorism, home land security, police and security professionals.