A dehumidifier comprising: a cabinet defining an outer appearance; a barrier installed in the cabinet to collect condensed water removed from air; a bucket assembly for storing the condensed water directed from the barrier; and a condensed water detecting unit (110, 150, 250, 350) for detecting an amount or level of the condensed water stored in the bucket assembly. characterised in that: the condensed water detecting unit includes a load cell (152, 252) for detecting the weight of the condensed water stored in the bucket assembly; and the dehumidifier further comprises: a display unit for displaying the amount or level of the condensed water, which is detected by the condensed water detecting unit; and a control unit arranged to calculate the data value transmitted through the load cell and to calculate the weight of the condensed water stored in the bucket assembly, the control unit is further arranged to calculate the water level of the bucket assembly according to the calculated weight of the condensed water and display the calculated water level of the bucket assembly on the display unit. a cabinet defining an outer appearance; a barrier installed in the cabinet to collect condensed water removed from air; a bucket assembly for storing the condensed water directed from the barrier; and a condensed water detecting unit (110, 150, 250, 350) for detecting an amount or level of the condensed water stored in the bucket assembly. characterised in that: the condensed water detecting unit includes a load cell (152, 252) for detecting the weight of the condensed water stored in the bucket assembly; and the dehumidifier further comprises: a display unit for displaying the amount or level of the condensed water, which is detected by the condensed water detecting unit; and a control unit arranged to calculate the data value transmitted through the load cell and to calculate the weight of the condensed water stored in the bucket assembly, the control unit is further arranged to calculate the water level of the bucket assembly according to the calculated weight of the condensed water and display the calculated water level of the bucket assembly on the display unit. the condensed water detecting unit includes a load cell (152, 252) for detecting the weight of the condensed water stored in the bucket assembly; and the dehumidifier further comprises: a display unit for displaying the amount or level of the condensed water, which is detected by the condensed water detecting unit; and a control unit arranged to calculate the data value transmitted through the load cell and to calculate the weight of the condensed water stored in the bucket assembly, the control unit is further arranged to calculate the water level of the bucket assembly according to the calculated weight of the condensed water and display the calculated water level of the bucket assembly on the display unit. a display unit for displaying the amount or level of the condensed water, which is detected by the condensed water detecting unit; and a control unit arranged to calculate the data value transmitted through the load cell and to calculate the weight of the condensed water stored in the bucket assembly, the control unit is further arranged to calculate the water level of the bucket assembly according to the calculated weight of the condensed water and display the calculated water level of the bucket assembly on the display unit.