Technical specifications
1 Temperature setting range: 40 ℃ ~ 70 ℃
2 Time setting range: 40 minutes (automatically) 1 hour (manual)
3 working environment: 5 ℃ ~ 40 ℃
4 Relative humidity ≤ 80%
5 the scope of atmospheric pressure: 860hPa to 1060hPa
6 Supply Voltage: AC 220V ± 22V
7 Frequency: 50 HZ ± 1 HZ 
8 Power consumption: 280W