This Wall Charger Station features three standard AC outlets and two 2.4A USB ports to charge and power multiple devices at once. Station protects against surges up to 1050 joules. Illuminated indicator shows when the surge is grounded and protected. EMI/RFI filter prevents electromagnetic noise up to 20 dB (150Khz to 30Mhz).This Wall Charger Station features three standard AC outlets and two 2.4A USB ports to charge and power multiple devices at once. Station protects against surges up to 1050 joules. Illuminated indicator shows when the surge is grounded and protected. EMI/RFI filter prevents electromagnetic noise up to 20 dB (150Khz to 30Mhz).