Protect all electronics from damage & performance problems due to surges & spikes. Transformer-friendly design accommodates at least one large transformer plug without covering remaining outlets. Diagnostic LED warns of suppressor damage. Keyhole mounting tabs offer convenient protection of desktop computer equipment & accessories. Number of Outlets: 6 AC; Joules Of Surge Protection: 180 J; Protection Type: Power; Connected Equipment Guarantee / Warranty: $2,500.