... H420 mmWeight: 19kgTotal weight: About 21 kg, vary with the differen need of the usersElectrical ParametersPower: 220VACUpper Heating: ... mode of Upper: Independent temperature control, high-precision closed-loop control, precision ± 0.5%, AlarmControl mode of Bottom: ... Independent temperature control, high-precision closed-loop control, precision ± 0.5%, NO AlarmRework FunctionSMD: Suit ...