Description: 【Versatile Functionality】: This Digital Electronic Temperature Humidity Meters Gauge is ideal for monitor indoor environments, ensuring optimal comfort in your home. It also features 12/24 hours conversion, 2 sets of alarms, , count up, cycle timer, Fahrenheit/Celsius conversion, temperature, ringtone loud/soft/silent settings, snooze function. ( range: 99 hours 59 minutes 59 seconds) 【Material】: Made from ABS plastic, this Indoor Thermometer Hygrometer is designed to be sturdy and long term while maintaining a lightweight profile 【Compact Size】: Measuring at 3.60inchx3.37inch, this compact Hygrometer Thermometer is easy to place anywhere in your home without taking up much space, making it an ideal addition to any room 【Application】: Digital Hygrometer is suitable for Greenhouse, garden, car, home, etc 【Gifts】: Humidity Gauge makes a meaningful gift for your friends, families, colleagues, etc Specification: 9.15cmx8.55cm/3.60inchx3.37inch Size Chart: requires two AAA battery (not included) Package Includes: 1 Thermometer Hygrometer  Note: Please allow slightly errors due to manual measurement and different monitors.