Features: Made from high quality abs material, which is sturdy and durable. Suitable for eyelashes grafting use, which can improve eyelash lasting time. Maximum/minimum temperature and humidity display, ℃/℉ unit conversion. Large screen displays temperature and humidity in real time with clear readings. With time, calendar and alarm clock function, multifunctional purpose. Specification: Condition: 100% Brand New Item Type: Digital Thermometer Hygrometer Color: As Pictures Show Battery: 1 x AAA Battery(Not included) Function: Temperature display, date function, daily alarm clock Package List: 1 x Digital Thermometer Hygrometer Note: Please note that the color of the button font will be sent black or white randomly. Button Despription: MOOD button: 1. Press once to switch between display time and set alarm time 2. Press and hold for 2 seconds to enter the time setting state. ADJ key: 1. Click to display the date 2. Increase data when setting time, date, and ALM 3. On the time / date interface, set the on/off alarm function MEMORY button: 1. Press once to display the highest temperature and relative humidity 2. Press again to display the lowest temperature and relative humidity 3. Press again to display the current temperature and relative humidity .