Partical charming Fashion nice Outdoor Indoor Wet Hygrometer Temp Temperature Humidity Thermometer Meter Dual readouts in one dial. Dependable reading with high accuracy. Convenient size and quality construction. With back hole for wall mounting. Proper range design made this thermo-hygrometer specially suitable to monitor normal in outdoor weather condition. It can be equipped in office, restaurant, hotel lobby, garden, classroom, laboratory, workshop and house, etc. Measuring accuracy: 1C(10C~32C)/2c. Temperature Measuring Range: -20 - 50c. Humidity measuring range: 0 - 100%. Temperature error:  2 c. Humidity error:  5%. Size:8cm x 8cm x 2.8cm - 3.15inch x 3.15inch x 1.10inch.