ModelST-850Voltage90V-600V ACFrequency Response50/60 HzStorage Temperature & Humidity-20˚C~60˚C at 90% max. relative humidityOperating Temperature & Humidity-10˚C~40˚C at 80% max. relative humidityDimensions134(L) x 85(W) x 45(D)mmWeightApprox. 510g ...