1.Patent technology,OEM ,factory,new design,good quality. 2.12V,24V DC to 110V,220V,230V AC ,100w mini 3.safe ... / 500mA4.The inverter with USB port, run under 10 centigrade to 40 centigrade ,is designed to convert DC source to AC power. Universal AC ... as notebooks, video, game player, cell phone, PDA...Protections:1.Overload2.Short circuit3.Over/Low input voltage4.Over TemperaturePrecautions1.Please ...