Brand: GEARFLAG. This is Gearflag VFD. Input: One Phase AC 220V Output: 3 Phases AC 220V, 1.5kW. Input: One Phase AC 110V Output: 3 Phases AC 110V, 0.75kW. Indication: Operating status/Alarm definition, frequency setting. Torque Boost: Auto increase / Manual increase. Operating temperature: -10C to 40C (non-freezing). Cooling mode: Forced air cooling fan