Feature: 1. Easy Read: With thin transparent dial, easy to read scale. Due to the large screen, it is easy to read from a distance 2. No Battery Required: The hygrometer has longer service life and no battery is required 3. Two Measurements: Measure the temperature and humidity twice, pay attention to your four seasons, and be your intimate housekeeper 4. Note: Please avoid violent vibration and impact. Do not disassemble by yourself 5. Portable Enough: Small size, durable and portable enough for saving space and carrying around Specification: Item Type: Temperature Humidity Meter Material: Aluminum Shell Product Size: Approx. 5.7 x 5.7 x 1.2cm / 2.2 x 2.2 x 0.5in Measurable: Temperature and Humidity Color: Green Application: Greenhouse, Warehouse, Home and Office Without Battery Installation Weight: Approx.17g / 0.6oz. Package List: 1 x Temperature Humidity Meter Note: 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.