Juice up with peace of mind with this Monster Power Core Surge Protected USB Socket  Sockets offer built-in surge protection with up to 918 Joules of protection USB 2.0 ports are ideal for charging your phones and tablets Fireproof MOV power protection protects your home, not just your equipment 8-port design  Dimensions: 16cm x 8cm x 7cm  Includes AV antenna connections for added protection against aerial and satellite dishes surges Plug in plenty with this Monster Power Core Surge Protected USB Socket for 7.99 pounds