Feature:1. Easy Read: With thin transparent dial, easy to read scale. Due to the large screen, it is easy to read from a distance2. No Battery Required: The hygrometer has longer service life and no battery is required3. Two Measurements: Measure the temperature and humidity twice, pay attention to your four seasons, and be your intimate housekeeper4. Note: Please avoid violent vibration and impact. Do not disassemble by yourself5. Portable Enough: Small size, durable and portable enough for saving space and carrying aroundSpecification:Item Type: Temperature Humidity MeterMaterial: Aluminum ShellProduct Size: Approx. 5.7 x 5.7 x 1.2cm / 2.2 x 2.2 x 0.5inMeasurable: Temperature and HumidityColor: GreenApplication: Greenhouse, Warehouse, Home and Office Without Battery InstallationWeight: Approx.17g / 0.6oz.Package List:1 x Temperature Humidity MeterNote:Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.