Tripp Lite ISOBAR12ULTRA Isobar Surge Suppressor. Surge energy rating: 1280J, Nominal input voltage: 120V, Input frequency: 50/60 Hz. Cable length: 4.6m. Colour of product: Black. Weight: 2.1 kg. Certification: UL1449/UL1283/cUL/IEEE 587 category A&B