This product is part of the SurgeArrest Essential family. It features eight surge protected outlets with a rating of 2690 Joules. The PM8-UK features EMI and RFI filtering, protecting against data errors and keyboard issues due to electrical interference. Its dimensions are 6.2 x 32.6 x 11 cm and 0.83 kg. The APC SurgeArrest Essential series represents the primary level of surge protection that should be present on any of your computers and household electronics.