Overload Protection High flame retardant standards,to be more secure,we use the high quality PC material,making housing,electrical parts plastic part. Add a strong flame retardant composition,by professional flame test,high temperature to 750DEG C,in full compliance with the national fire standards. The four USB output 5 Volt,2.4 Amp, 48 Watt. By the CCC safety certification,to ensure the safe use of. The durable and environment -friendly products and packaging,strict implementation of RoHS standards for environmental protection. As the demand for electricity to feed our hi-tech appetite increase.Voltage fluctuations,surges and spikes can damage your computer and peripherals and degrade overall performance.012 Advanced Surge Protector is a simple surge protector that fits into a grounded outlet.It offers economical surge protection for your mobile devices. Support 2.4 Amp input devices fast charging,speed doubled,so that the charging time in half,saving a lot of time. COMPATIBLE WITH THE MOST MOBILE DEVICES. The USB 2.0 Port is universal,so you can plug in any USB charging cable to charge a variety of different mobile devices at the fastest possible speed ,including any brand smartphone,any brand tablets,or any another mobile device.To begin charging,simply plug in the USB cable that came with your device.