GadKo Surge Protector, 3 Outlet, MOV 270 Joules LED Power Indicator GadKo is the only authorized dealer of GadKo branded products. This 3-outlet surge protector features an LED power indicator; EMI/RFI filter and 270 Joules of dissipation. Surge protectors are the best option to safeguard your sensitive electronics against damaging electrical disturbances and rogue lightning strikes; as well as EMI/RFI interference and noise. This model saves space by plugging directly into the wall.