2 or 3 Layer Universal Vertical Power Socket Extension Tower Material: PC alloy retardant material + ABS Overload protection: 10A overpower protection Wire material: copper super rough Input voltage: AC: 100V / 250V Rated Power: 2500W USB Voltage: DC 5V USB Current: 2500mA / 4500mA (optional, defaults to 2100mA) 2 or 3 Layer Universal Vertical Power Socket Extension Tower Material: PC alloy retardant material + ABS Overload protection: 10A overpower protection Wire material: copper super rough Input voltage: AC: 100V / 250V Rated Power: 2500W USB Voltage: DC 5V USB Current: 2500mA / 4500mA (optional, defaults to 2100mA) Universal socket is suitable for most global plugs Each layer has a separate switch, and a master switch controlling all outlet Saving space, safe & easy to use Core temperature (degrees): 750 ° C high temperature without burning Shrapnel material: high-precision phosphor bronze nickel plated copper (a total of 6000 times not loose plug) Switch material: composite silver nickel contacts independent switches (each a separate switch, the bottom has a total switch) USB power adapter charger with 4 USB ports (Free) Input: AC 110-240V - 50/60HZ, 0.2A Single Output: DC Max. 5.0V/2000mA Dual Output: DC Max. 5.0V/1000mA X 2 4 Output: DC Max. 5.0V/500mA X 4 When plug into AC power socket, prevent fingers or metal things from touching the metal plug of the charger Brand No Brand SKU OT776EL078SYSNAFAMZ-288471 Connectivity Not Specified