... 110V/220V +/-3% 50Hz/60Hz +/-3%2.GMT power inverter feature:1),GMT inverter apply in car,marine,solar electric power ... motive office,offer power to emergency work,outside work.2),GMT inverter Efficiency up to 90%,super surge capacity to ... size,light and compatible,no environmental protect,no maintenance,3.GMT pure power inverter (with charger UPS )specification details: ModelCA1000SpecificationINPUT ...