| Features: 5" Large disc with bold numbers,large metal wall thermometer with hygrometer. with the 5" diameter disc display,easy to read the temperature and humidity value from distance. / double scale round thermometer with wide measurement range,our double scale thermometer accuracy is between -20 to 120/- 30 to 50 to suit most kind of climates. for extra hygrometer could measure ambient humidity from 10-100, indoors or outdoors, including greenhouses, warehouse,offices,laboratories,museum,balconies, garden, patio, etc. Environmental for protection,this wall thermometer implementing concept of green which without batteries, energy saving, environmental for protection. it use different bending … | |