APC SurgeArrest. Shock energy rating: 918 J, Number of mains sockets: 1 x mains socket, Nominal input voltage: 230 V. Plug: BS1363A. Color of product: White. Product weight: 130g, Product width: 63mm, Product depth: 42mm. Certificates: CE
Which indicate the maximum voltage level that can possibly reach your equipment after a surge or voltage spike has passed through a surge protector. Lower IEEE let-through ratings indicate better protection and performance.