digital thermometer-hygrometer 1.Size:135*75*19.5 cm, 2.Display size:51*41 cm , 3.THree-tier LCD display , 4.Indoor Outdoor Tem digital thermometer-hygrometer1.Size:135*75*19.5 cm, 2.Display size:51*41 cm ,3.THree-tier LCD display ,4.Indoor Outdoor Temperture Digital thtermometer-hygrometer