Technical parameters: Model:SPX - 300 A The control range: - 20 ~ 65 ℃ The temperature resolution: 0.1 ℃ Temperature fluctuation degree, high temperature, plus or minus 0.5 ℃; Low temperature: 1 ℃ Power supply voltage: AC220V50Hz Working environment temperature: + 5 ~ 35 ℃ Power (W) : 600 Studio volume/studio size (CM) : 300/52x50x117 Physical size (CM) : 66x69x169 Net/gross weight (KG) : 115/157