Protect workstations, desktop PCs & other sensitive electronics from surges & line noise with this surge suppressor. Transformer-friendly design accommodates at least one large transformer plug without covering remaining outlets. Features Diagnostic LEDs to confirm outlet grounding & surge suppression status. Number of Outlets: 7 AC; Joules Of Surge Protection: 1,080 J; Protection Type: Power; Noise Protection: Up to 20 dB EMI / RFI Noise Filtration.