... Input 100-240v 50/60Hz 2)Output 4.5v dc adapter 3)One year warranty 4)Factory direct ... Sell)switching power supply, CCTV power supply, AC/DC adapter, dc power, desktop power supply, central power supply unit ... ,12V dc adapter, led power supply, security camera power, ... ———————Contact information—————— 1 year warranty 4.5v wall type dc adapter with USA plug