Flir One is a new case accessory for your iPhone, through which objects can be seen through walls. The price is set at U.S 350$. At the end of August 2014 it will be offered for sale. The FLIR ONE case packs a full thermal imaging camera that sees variances in temperature on the infrared spectrum, and works with either the iPhone 5.
Watch FLIR One brings Thermal Imaging to your iPhone: