EMP Shield LLC has developed the World’s first Electro Magnetic Pulse (EMP) defense technology that can defend your house, business, an entire electric grid, and more from a high altitude EMP threat (HEMP). Their products also provide some of the worlds most advanced power surge, lightning, and CME protection, defending electronics in less than 1 billionth of a second. In fact, not only are they the only product on the market that can protect your valuable electronics from an EMP strike but, their products can withstand over 40x EMP strikes with ZERO degradation and have a lifetime warranty. The EMP Shield has been tested at the Keystone Compliance laboratory which is a federally approved and DOD testing facility. Testing of the EMP Shield has shown the EMP Shield FAR surpasses all military EMP Protection device standards. USE COUPON CODE "MTHFRSupport" FOR $50 OFF!