Input: AC100V-240V 50/60Hz Output: DC 9V~500mA DC plug size: 5.5mmx2.5mm(5.5mmx2.1mm compatible) ;Inside (+), Outside (-). Safety&Durability: Over voltage/ over current/ short circuit/over loaded/surge protection system loaded, without fan and noise. Application:Widely used to LED lamps, Routers, Speakers, handheld vacuums,lighted mirror, juicers, humidifiers, security monitoring, air purifiers, Wifi IP home camera, digital products and other 9V devices less than 18W
