The OEM Slim 10-Outlet Surge Block Protector CCS25134 is rated to withstand a power surge of up to 3420 joules. It allows you to power up to 10 electrical devices using only one AC outlet, making it ideal for home or office use. This surge protector includes a 2-port, external, 1.5 amp USB charger for added convenience, as well as phone and network protection. Additionally, it features an EMI/RFI noise filter to ensure clean power delivery.