... & fan cooling CE JSM-12-3000 12V Modified DC/AC Square Wave Inverter Features:1.Modified sine wave output (THD<3%)2 ... : cooling fanOrder Remarks:1.DC Input voltage: 12V, 24V, 48V2.AC Output voltage: 100V, 110V, 120V, 220V, 230V, 240V3.Frequency: 50Hz ...