This product is part of the Surge Arrest Essential family. It features five surge protected outlets with a rating of 918 Joules and a BS1363A British plug. It also features EMI and RFI filtering, protecting against data errors and keyboard issues due to electrical interference. Its dimensions are 5.58 x 38.5 x 7.26 cm and 0.76 kg. The APC Surge Arrest Essential series represents the primary level of surge protection that should be present on any of your computers and household electronics.