Model ch-dig3000 Generator type digital inverter/sine wave rated ac output (kw) 2. 7 max ac output (kw) 3. 0 frequency (hz) 50hz/60hz voltage (v) 110/120/220v/230/240 power factor cos 1. 0 Engine model 156f type over head value/forced-air cooling/single cylinder/4 stroke gasoline engine bore * stroke 56*58 displacement ml 144 rated power kw 3. 3 max power kw 3. 8 ignition mode cdi recommended fuel unleaded gasoline fuel tank capacity l 7. 0 fuel consumption h 400g/kw. H engine oil capacity l 0. 70 starting system pulling recoil starting / recoil and hand-operated continuous work time (hours) 4. 5 noise level (7m) 58(7m) Standard features indicator light o ac overload protector flow pattern ac socket o Optional features dc socket (12v/6a) "t" or "\ /" type dc protector o Dimensions packing dimension mm 580*320*515 n. W/g. W kg 28. 5/31. 5 20ft unit 280 sets 40hq unit 740 sets