... service Specification ModelDMD-500W SeriesPowerFull 500WInputDC 60VOutputAC 220V/110V 50Hz/60HzSize180 x 100 x 55mm ... alarm, under-voltage alarm, with frequency-conversion cooling fan. 4. Soft-start function, increase loading capacity ... computer, laptop, fax machine, printer, TV, fridge, fan, mobile phone, DVD, electrical drilling machine, etc. Front ... Car Power Inverter DC 60V AC 220V Off Grid Inverter