Belkin Connection 4 Ports - Without USB Gives every device exactly the energy it needs Electric frequency protection Designed to protect home office electronics from harmful voltage fluctuations and power surges. Rated to withstand an energy boost of up to 525 joules The Belge Surge Protection Strip features high quality construction and a durable design with a damage resistant sleeve that protects circuits from fire, impact and rust. Heavy-duty 2-meter power cord