Main technical parameter and environmental condition 1. Rating voltage: 220v ía22v 50hzía1hz 2. Power: 450w 3. Temperature: 260íµ-310íµ 4. Available working hour modulation: 9 ~13 minutes 5. Environmental temperature: -5íµ-45íµ 6. Environmental comparatively humidity: ín90% 7. Surroundings should have no eroded gas. Carton package, 36.2kg in total. 60*30*30 + 57*37*30