Name: indoor thermometer Functions: indoor temperature and humidity, calendar, alarm clock, comfort function and real-time weather display. Temperature measurement range: -10 ~60, temperature measurement cycle 2 seconds Temperature measurement accuracy: 1C Resolution: 0.1C (If the current temperature exceeds this range, it will display HH or LL) Humidity measurement range: 10% to 99% Humidity measurement accuracy: 5% Resolution: 1% Support USB charging function (battery capacity 200mah) Backlight function Size: about 145 x 81 x 20mm/5.71 x 3, 19 x 0.79 inch Weight: about 0.123 (kg) Packing List: 1 * Indoor Thermometer Do warning: 1. Due to different monitors and lighting effects, the actual color of the product may be slightly different from the color shown on the pictures. Thanks! 2. Due to manual measurement, 1-3cm measurement deviation is allowed. Clear and AccurateDue to the large numbers on the clear screen, you can easily read the value under almost all angles of view. Even in the dark, you can see the numbers clearly with the soft white backlight. Alarm Clock FunctionThe indoor thermometer is equipped with an alarm clock, allowing you to get up on time every day. mornings. At the same time, the alarm clock displays the time and date as well as the weather forecast, so you don't need to search for other software or calendars to get the information. Quick Refresh The indoor thermometer updates quickly to provide you with the latest and most accurate temperature and humidity readings. This temperature and humidity meter has a high accuracy of 5% RH and 1 F. Built-in BatteryDesigned, the indoor hygrometer has a long battery life, takes support USB charging, convenient and eco-friendly, no need to buy extra button batteries. Scope of applicationPut our thermometer anywhere, perfect for wine cellars wine, greenhouses, kitchens and more. You can even mount it on the wall or put it on a table. Illustrate: Thanks to the large numbers on the clear display, you can easily read the value under almost any viewing angles. Even in the dark, you can see the numbers clearly thanks to the soft white backlight. The indoor thermometer is equipped with an alarm clock so you can get up on time every morning. At the same time, the alarm clock displays the time and date as well as the weather forecast, so you don't need to search for other software or calendars to get the information.