Belkin 2.4 Amp USB Charging 8-outlet Surge Protection Strip – White/Grey(BSV804au2M),Surge protection up to 900 joules,Damage-resistantEIGHT-OUTLET PROTECTION WITH TWO USB PORTSKeep your electronic devices protected from dangerous power surges and spikes with the Belkin 8-Outlet Surge Protection Strip with 2 USB Ports. Simply plug the surge protection strip into any AC wall outlet and connect up to eight AC and two USB devices to keep them safe from power surges, lightning strikes, and AC contamination. Ideal for televisions, stereo systems, cable boxes, and other home theater equipment, the Belkin Surge Protection Strip is made with high-quality construction and enhanced circuitry to offer premium power protection for your high-end devices and data. SURGE PROTECTION UP TO 900 JOULESThis surge protection strip is rated to handle up to 900 joules and is designed to shield home theater and office electronics against harmful voltage fluctuations, surges, and energy spikes. Oversize metal oxide varistors (MOVs) absorb excess electricity and release it as heat. Fiberglass MOV covers also help contain or smother fire if a large surge causes the MOVs to ignite.