... min automatic shutdown can be set.9, High quality charging power: 100-240v of charging voltage can be available Technical Parameter1, Model, TYD ... .4, Accuracy: ±0.5%.5, Measuring depth: 0~450mm.6, Power, charging power supply: 220V/AC, Continuous operating time of battery,6~8 ... C.10, Ambient humidity: ≤ 80%.11, Allowable overload: 150%.12, Power supply mode: 5 nickel cyanogens battery /220V AC charge 4 ...