Tripp Lite Protect It! Direct Plug-In Surge Suppressor, 4 Outlets, 670 Joules, BlackThe compact design of this direct plug-in suppressor keeps cords neater and presents less tripping hazard. Designed for computers, peripherals, and larger home electronics, such as stereos and TVs. Features four side-mounted outlets, of which two are designed especially for transformer plugs. Number of Outlets: 4; Joules Of Surge Protection: 670 J; Protection Type: Power; Noise Protection: EMI/RFI Noise Filtration.