The InfiRay P2 Pro.
Adrian Kingsley-Hughes/I'm a big fan of Android smartphones with built-in thermal cameras, such as the awesomeUlefone Power Armor 18T .
But I also understand that some people just don't want to have to swap out their smartphones in order to get access to this useful superpower.
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If you don't want to have to buy a new smartphone, then this is the tool for you, and right now you can get it for$50 off with the coupon offered: InfiRay P2 Pro.