... display 2) Daily 12L capacity per day, 3) Automatic frost 4) R134a environmentally refrigerant Article No: YDA-816E1. GOOD ... erosion and corrosion of apparatuses and instruments can be prevented.4. PARKOO HOME PORTABLE DEHUMIDIFIER FEATURES 1) Computer control, ... operate; 2) Low-temperature application, automatic frost; 3) The current humidity digital display; 4) Large water tank, automatic shutdown; 5 ...