eDragon Surge Protector, 1 Outlet, 540 Joules with EMI/RFI filter Computer Surge Protector, (ED70340) Surge Protector, 1 Outlet, 540 Joules with EMI/RFI filter Connection: 3-prong Power Plug Connection: 3-prong Outlet Weight: 0.18 lbs saves space by plugging directly into the wall