Features 1、2 in 1: Mini indoor thermometer hygrometer is a two in one function that can measure both temperature and humidity, very practical. 2、Easy to Read: The silver mini hygrometer features a thin transparent dial with clear graduations for easy reading. 3、Small Portable: The temperature monitor gauge has a compact design, light weight, easy to carry and use. 4、No Batteries Required: The hygrometer has a longer lifespan and requires no batteries. Please avoid severe vibration and shock, and do not disassemble by yourself. 5、Wide Application: Humidity monitor gauge is suitable for use in greenhouses, warehouses, homes, offices and other places. Specifications Item Type: Mini Indoor Thermometer Hygrometer Material: Aluminum Product Size:Approx. 5.7 x 5.7 x 1.2cm / 2.2 x 2.2 x 0.5in Measurable: Temperature and Humidity Color: Silver Application:For Greenhouse, Warehouse, Home, Office Without Installing Batteries Package List 1 x Mini Indoor Thermometer Hygrometer